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Rules guide · Instant

Primal BoostHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Dominaria Remastered· January 13, 2023
Carte Magic Primal Boost

Primal Boost 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.

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Official card text

Target creature gets +4/+4 until end of turn. Cycling {2}{G} ({2}{G}, Discard this card: Draw a card.) When you cycle this card, you may have target creature get +1/+1 until end of turn.

Complete guide

Primal Boost is a versatile green instant that offers a massive power spike or a minor buff combined with card draw. Whether you are aiming for a lethal swing or just cycling through your deck, this card provides the flexibility needed to adapt to any board state. Understanding the timing of its triggered ability is key to mastering its use.

What it Does

Primal Boost serves two primary purposes: as a combat trick and as a cycling utility. If cast normally for its mana cost, it grants a target creature +4/+4 until the end of the turn. However, if you choose to pay its cycling cost, you discard the card to draw a new one, while also gaining a triggered ability that can grant a creature +1/+1.

How it Resolves Step by Step

When you choose to cycle Primal Boost, you pay the mana and discard the card. The cycling ability is put on the stack first. Immediately after, the triggered ability (+1/+1 to target creature) is placed on the stack on top of the cycling ability. The +1/+1 effect resolves first. Only after that effect is finished does the cycling ability resolve, allowing you to draw your card.

Common Mistakes

A common error is thinking that the triggered ability needs a target for you to draw a card. You can cycle Primal Boost even if there are no creatures on the board; you simply choose not to use the 'may' ability or let it fail if the target becomes illegal. Even if the +1/+1 effect is countered or its target vanishes, the cycling ability remains on the stack, and you will still draw your card.

When to Play It

Cast Primal Boost for its full +4/+4 effect when you need to win a combat trade or push for the final points of damage. Use the cycling ability during your opponent's end step or in response to removal if you need to dig for answers while still providing a small tactical advantage to your creatures.

Interaction examples

Buffing a Token

If you use Beast Within to destroy an opponent's permanent, they receive a 3/3 Beast token. During your next turn, you can cast Primal Boost targeting your own creature to grow it to a size that can safely block or attack through that 3/3 Beast.

Protecting the Buff

You cast Primal Boost to give your creature +4/+4. If your opponent tries to destroy that creature in response, you can cast Heroic Intervention. This gives your creature hexproof, ensuring Primal Boost resolves successfully and your creature survives the turn.

Cycling through Interaction

If you cycle Primal Boost and target your creature with the +1/+1 trigger, and your opponent responds with a spell to remove your creature, you can cast Heroic Intervention to protect it. Regardless of whether the creature survives, the cycling draw will still happen because it is a separate ability on the stack.

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

How it works : Primal Boost

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    You can cycle this card even if there are no legal targets for the triggered ability.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    When you cycle this card, first the cycling ability goes on the stack, then the triggered ability goes on the stack on top of it. The triggered ability will resolve before you draw a card from the cycling ability.

    No other card is named in this ruling.

  3. #3· Wizards of the Coast

    The cycling ability and the triggered ability are separate. If the triggered ability doesn't resolve (because, for example, it has been countered, or all of its targets have become illegal), the cycling ability will still resolve and you'll draw a card.

    No other card is named in this ruling.

02

Legal formats

legacypaupervintagepennycommanderoathbreakerpaupercommanderduelpremodernpredhtlr
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