Rush of Blood

Instant    (CMC:3)

Target creature gets +X/+0 until end of turn, where X is its power.

Sometimes it's not for sustenance or to feed the dependence. Sometimes it's just to feel again.

154 AVR • ENCynthia Sheppard

™ & © 1993—2012 Wizards of the Coast

Legal in: Modern,Extended,Innistrad Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Tribal Wars Standard,Classic,Singleton 100,Commander

Oracle Text (click to copy):

Rush of Blood {2}{R} Instant Target creature gets +X/+0 until end of turn, where X is its power.

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5/1/2012
The value of X is determined when Rush of Blood resolves. The bonus won't change later in the turn if the creature's power changes.
5/1/2012
If the creature has power less than 0, the "bonus" will be negative. For example, a creature that's somehow become -1/3 would get -1/+0 and become -2/3.

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