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Rules guide · Instant

Kodama's MightHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Champions of Kamigawa· October 1, 2004
Carte Magic Kodama's Might

Kodama's Might 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.

01

Official card text

Target creature gets +2/+2 until end of turn. Splice onto Arcane {G} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Complete guide

Kodama's Might is a versatile green combat trick from the Kamigawa block that offers two ways to buff your creatures. By utilizing the Arcane subtype, it can function as a cheap standalone boost or a repeatable enhancement through the Splice mechanic. Understanding how to layer these effects is key to maximizing your board presence.

Understanding the Splice Mechanic

Kodama's Might can be cast normally for one green mana, providing a target creature with +2/+2 until end of turn. However, its 'Splice onto Arcane' ability allows you to reveal it from your hand as you cast another Arcane spell. By paying the splice cost, you add the text of Kodama's Might to the other spell while keeping the card in your hand to be used again later.

Step-by-Step Resolution

When you cast an Arcane spell, you reveal any cards you wish to splice onto it simultaneously. You then pay the total cost, which is the mana cost of the base spell plus the splice costs of the revealed cards. You choose all targets for the combined spell at once. During resolution, the effects happen in order: the base spell's text resolves first, followed by the text of the spliced cards. If the base spell is countered or its targets become illegal, the spliced effects will also fail to resolve.

Timing and Strategy

Because Kodama's Might is an instant, it is most effective during the declare blockers step to save a creature or push through lethal damage. When splicing, remember that you cannot splice a card onto itself, as the spell must be on the stack while the splice card remains in your hand. This card excels in decks with high Arcane density, allowing you to get multiple +2/+2 buffs out of a single card across several turns.

Interaction examples

The Standalone Buff

You cast Kodama's Might targeting your creature. Upon resolution, that creature gains +2/+2 until the end of the turn, and Kodama's Might is placed in your graveyard.

Interaction with Non-Arcane Spells

If you cast Heroic Intervention, you cannot use the Splice ability of Kodama's Might because Heroic Intervention lacks the Arcane subtype. You must cast Kodama's Might as a separate spell to get the +2/+2 effect.

Stacking Effects during a Search

While Worldly Tutor is a powerful instant, it is not an Arcane spell. Consequently, you cannot splice Kodama's Might onto it. You would need to cast Worldly Tutor to set up your next draw, then cast Kodama's Might separately to buff a creature currently on the battlefield.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Kodama's Might

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    You reveal all cards you intend to splice at the same time. Each individual card can be spliced only once onto any one spell.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    A card with a splice ability can’t be spliced onto itself because the spell is on the stack (and not in your hand) when you reveal the cards you want to splice onto it.

    No other card is named in this ruling.

  3. #3· Wizards of the Coast

    You choose all targets for the spell after revealing cards you want to splice, including any targets required by the text of any of those cards. You may choose a different target for each instance of the word “target” on the resulting spell.

    No other card is named in this ruling.

  4. #4· Wizards of the Coast

    If all of the spell’s targets are illegal when the spell tries to resolve, it won’t resolve and none of its effects will happen.

    No other card is named in this ruling.

02

Legal formats

modernlegacypaupervintagecommanderoathbreakerpaupercommanderduelpredhtlr
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