Current paper retail
Card Kingdom$3.49
Cardmarket€0.46
ManaPool$1.03
TCGplayer$1.40
Buylist (dealers pay)
Card Kingdom$1.30
90-day paper retail (USD)
3 providers
Exponential Growth
RareColour IDMV 2
Sorcery
Until end of turn, double target creature's power X times.
Keywords
Double
Card capabilities
Sorcery
Derived deterministically from card types, Oracle text and keywords. Not a strategic evaluation.
Format legality
Primary formats
Eternal formats
Other printings
4 other English printingsEarliest 2021-04-23Newest 2021-05-01Cheapest priced $0.55 in STX
Rulings (3)
wotc16 Apr 2021
If a creature’s power is less than 0 when it’s doubled, instead that creature gets -X/-0, where X is how much less than 0 its power is. For example, if an effect has given a 5/5 creature -7/-0 so that it’s a -2/5 creature, doubling its power makes it a -4/5 creature.
wotc16 Apr 2021
Exponential Growth doubles a creature’s power sequentially, not all at the same time. For example, if X is 3 and you target a 2/2 creature, you will double its power once to 4, again to 8, and a third time to 16, making it a 16/2 creature until end of turn.
wotc16 Apr 2021
If an effect instructs you to “double” a creature’s power, that creature gets +X/+0, where X is its power as that effect begins to apply. (This is not the value of X you chose when you cast the spell)
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Ranked by shared capabilities, colour identity, mana value and type — never by strategic judgement.
