Y. the Headsplitter

enrage — {p/b}{p/r}{p/g}, ({p/b}{p/r}{p/g} can be paid with
{b}{r}{g} or 6 lifes) Y. the Headsplitter
becomes a raging beast. He gains hexproof,
haste and +X/+X until end of turn, where
X is the combined power among Beasts you control.
{x}{x}{t}, Create X 1/3 Beast Artifact
Creature Tokens with trample.
(You will not see him come.)