Swamp Gorehunter

Bid - Pay 4 life. (When you cast this spell, target opponent may pay its bid cost. If they do, counter this
spell.)
Haste, deathtouch
When Swamp Gorehunter is put into a graveyard,
if its bid cost was payed, all creatures you control
get +2/+1 and trample until end of turn.
Shadows, her allies and the living her foes.