Hive Onslaught

All players must sacrifice four creatures. If a player cannot sacrifice a creature this way they take 2 damage for each creature not sacrificed.

You gain 2 life for each non-xenomorph creature sacrificed this way

Hivemind—{3}, (you may pay an additional {3} as
you cast this spell. if you do, All Xenomorphs you control with Hivemind gain trample until end of
turn.)