At the beginning of your upkeep, sacrifice this creature unless you pay .
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.
: Target creature gets +X/+X until end of turn, where X is that creature's power.
. Turn it face up any time for its morph cost.)
