Sasha the Xmas Tiger

: Whenever a creature deals damage to Sasha the Xmas Tiger, that creature is sacrificed unless its controller pays life equal to the damage dealt.
+2: Each player may give control of a permanent they control to an opponent. If they don't, they sacrifice a creature.
-10: You gain an emblem with "At the beginning of each end step, each player sacrifices any creature that attacked. Create a food token for each one."