Tentacruel

You may sacrifice a creature named Tentacool
rather than pay this spells mana cost.
Tentacruel can't have -1/-1 counters placed on it.
First strike, wither, absorb 3. Whenever a player
adds {u}, Tentacruel gets +0/+1 until end of turn.
{b/g}{b/g}: Target player creates a black and green
enchantment token named Toxic Spikes if they
don't control one. It has "Creatures you cast
without flying, nonartifact or not both black and green, enters the battlefield with a -1/-1 counter
on them."