Gabriela, Decisive Hunter

Haste, Trample

Whenever Gabriela, Decisive Hunter deals combat damage to a creature, you may sacrifice that creature if it would die this turn. If you do, create a Carcass token, a colorless artifact with "{t}: Sacrifice this token, Add one mana of any color or draw a card."
Whenever you sacrifice a Carcass, choose one --
•Creatures you control gain indestructible until end of turn.
•Draw a card, then you may discard a card.
•Target creature gains +3/+0 and trample until end of turn.