The Mightstone and Weakstone is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
When The Mightstone and Weakstone enters, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn.: Add
. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)
How it works : The Mightstone and Weakstone
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
When a pair of cards are melded, the result is a single creature that's represented by two cards. If the melded creature dies, both cards are put into your graveyard. As it leaves the battlefield, both of those cards are turned face up again. If the cards are put on the top or bottom of your library, you choose their relative order.
No other card is named in this ruling.
- #2· Wizards of the Coast
One card in each pair of meld cards has an ability that instructs you to exile the two cards and meld them. If you control more than one object with one of those names, you select one object with that name to exile.
No other card is named in this ruling.
- #3· Wizards of the Coast
When two cards are exiled and melded, they each leave the battlefield, then return together as one new object with no relation to either of the objects that left the battlefield. Counters, Auras, Equipment, and other effects that affected those two cards don't affect the melded permanent.
No other card is named in this ruling.
- #4· Wizards of the Coast
Only two cards belonging to the same meld pair can be melded. Tokens, cards that aren't meld cards, or meld cards that don't form a meld pair can't be melded. If an effect instructs a player to meld cards that can't be melded, those cards remain in exile.
No other card is named in this ruling.
- #5· Wizards of the Coast
While a meld card is in any zone other than the battlefield, it has only the characteristics of its front face. The same is true while it's on the battlefield with its front face up.
No other card is named in this ruling.
- #6· Wizards of the Coast
While a melded permanent is on the battlefield, it has only the characteristics of its combined back face. Any effects that modify how the new object enters the battlefield will consider only the combined back face.
No other card is named in this ruling.
- #7· Wizards of the Coast
Note that the permanent represented by the combined back faces has a color indicator.
No other card is named in this ruling.
- #8· Wizards of the Coast
The mana value of a melded permanent is the sum of the mana values of its front faces. A creature that becomes a copy of a melded permanent has only the characteristics of that combined back face, and its mana value is 0.
No other card is named in this ruling.
- #9· Wizards of the Coast
A player prompted to name a card may name the combined back face, and each player has the right to know that combined back face's characteristics at all times.
No other card is named in this ruling.
- #10· Wizards of the Coast
If an effect moves a melded permanent to a new zone and then affects "that card," it affects both cards.
No other card is named in this ruling.
- #11· Wizards of the Coast
In the Commander variant, a meld card's color identity is determined only by the mana costs and mana symbols in the rules text of its front face. No symbols or rules text of the permanent it melds into are considered.
No other card is named in this ruling.
Popular combos
Real combos played by the community, sorted by popularity.
Urza, Lord Protector + The Mightstone and Weakstone + Ghostly Flicker + Archaeomancer
- 1Activate Urza, Planeswalker's first loyalty ability by putting two loyalty counters on it, causing instant spells you cast this turn to cost
less and causing you to gain two life.
- 2Activate a basic Island by tapping it, adding
.
- 3Cast Ghostly Flicker by paying
, blinking Archaeomancer and a basic Island.
- 4Archaeomancer enters the battlefield, returning Ghostly Flicker from your graveyard to your hand.
- 5Repeat from step 2.
Urza, Lord Protector + The Mightstone and Weakstone + Ancestral Statue
- 1Activate Urza, Planeswalker's first loyalty ability by putting two loyalty counters on it, causing artifact spells you cast this turn to cost
less and causing you to gain two life.
- 2Repeat step 1 one additional time.
- 3Cast Ancestral Statue by paying
.
- 4Ancestral Statue enters the battlefield, returning itself from the battlefield to your hand.
- 5Repeat from step 3.
Urza, Lord Protector + The Mightstone and Weakstone + Ghostly Flicker + Mnemonic Wall
- 1Activate Urza, Planeswalker's first loyalty ability by putting two loyalty counters on it, causing instant spells you cast this turn to cost
less and causing you to gain two life.
- 2Activate a basic Island by tapping it, adding
.
- 3Cast Ghostly Flicker by paying
, blinking Mnemonic Wall and a basic Island.
- 4Mnemonic Wall enters the battlefield, returning Ghostly Flicker from your graveyard to your hand.
- 5Repeat from step 2.
Urza, Lord Protector + The Mightstone and Weakstone + The Chain Veil + Clock of Omens
- 1Activate Urza, Planeswalker's third loyalty ability by putting no loyalty counters on it, creating two 1/1 Soldier artifact creature tokens.
- 2Activate Clock of Omens by tapping the two Soldiers, untapping The Chain Veil.
- 3Activate Krark-Clan Ironworks twice by sacrificing the two Soldiers, adding
.
- 4Activate The Chain Veil by paying
and tapping it, allowing you an additional activation of your planeswalkers' loyalty abilities this turn.
- 5Repeat.
Urza, Lord Protector + The Mightstone and Weakstone + Ghostly Flicker + Salvager of Secrets
- 1Activate Urza, Planeswalker's first loyalty ability by putting two loyalty counters on it, causing instant spells you cast this turn to cost
less and causing you to gain two life.
- 2Activate a basic Island by tapping it, adding
.
- 3Cast Ghostly Flicker by paying
, blinking Salvager of Secrets and a basic Island.
- 4Salvager of Secrets enters the battlefield, returning Ghostly Flicker from your graveyard to your hand.
- 5Repeat from step 2.
Urza, Lord Protector + The Mightstone and Weakstone + The Chain Veil + Clock of Omens
- 1Activate Urza, Planeswalker's third loyalty ability by putting no loyalty counters on it, creating two 1/1 Soldier artifact creature tokens.
- 2Activate Clock of Omens by tapping the two Soldiers, untapping The Chain Veil.
- 3Activate Ashnod's Altar twice by sacrificing the two Soldiers, adding
.
- 4Activate The Chain Veil by paying
and tapping it, allowing you an additional activation of your planeswalkers' loyalty abilities this turn.
- 5Repeat.
Urza, Lord Protector + The Mightstone and Weakstone + The Chain Veil + Dross Scorpion
- 1Activate Urza, Planeswalker's third loyalty ability by putting no loyalty counters on it, creating two 1/1 Soldier artifact creature tokens.
- 2Activate Ashnod's Altar twice by sacrificing the two Soldiers, adding
.
- 3The Soldiers die, triggering Dross Scorpion twice, untapping The Chain Veil and any other artifact you control.
- 4Activate The Chain Veil by paying
and tapping it, allowing you an additional activation of your planeswalkers' loyalty abilities this turn.
- 5Repeat.
Urza, Lord Protector + The Mightstone and Weakstone + The Chain Veil + Dross Scorpion
- 1Activate Urza, Planeswalker's third loyalty ability by putting no loyalty counters on it, creating two 1/1 Soldier artifact creature tokens.
- 2Activate Krark-Clan Ironworks twice by sacrificing the two Soldiers, adding
.
- 3The Soldiers die, triggering Dross Scorpion twice, untapping The Chain Veil and any other artifact you control.
- 4Activate The Chain Veil by paying
and tapping it, allowing you an additional activation of your planeswalkers' loyalty abilities this turn.
- 5Repeat.
Interactions with other cards
These cards' text mentions The Mightstone and Weakstone.
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Meta decks with The Mightstone and Weakstone
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