The Spike Cactus is a rare Legendary Creature — Spike card from Unknown Event (UNK), collector number RG03e.
The Spike Cactus enters the battlefield with +1/+1 counters on it equal to the amount of mana spent to cast it. {2}, Remove a +1/+1 counter from The Spike Cactus: Put a +1/+1 counter on target creature.