Spike Grenade

Destroy target creature an opponent controls with
the least toughness among creatures they control. In
case of a tie, you choose the target. Then, lose 2 life.

Rebound (If this spell was cast from your hand,
instead of putting it into your graveyard as it
resolves, exile it and, at the beginning of your next
upkeep, you may cast this card from exile without
paying its mana cost.)