Trample
This creature enters with seven +1/+1 counters on it.
Whenever you tap a land for mana, remove a +1/+1 counter from this creature.
Illustrated by Dave Dorman · Odyssey · #218
There are no rulings for Savage Firecat.
This creature enters with two +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: Destroy target artifact or land.
First strike
This creature enters with four -1/-1 counters on it.
Whenever you cast a red spell, remove a -1/-1 counter from this creature.
Whenever you cast a white spell, remove a -1/-1 counter from this creature.
This creature enters with two -1/-1 counters on it.
Remove a -1/-1 counter from this creature: Add one mana of any color.
This creature enters with your choice of a trample counter or a menace counter on it. (A creature with menace can't be blocked except by two or more creatures.)
: Target creature can't block this creature this turn.
Whenever you cast a blue spell, remove a -1/-1 counter from this creature.
This creature enters with four +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: It deals 1 damage to target creature.