This spell costs {1} less to cast for each Cat you control. Creatures you control get +2/+2 until end of turn.

Lifelink (Damage dealt by this creature also causes you to gain that much life.) When this creature enters, put a +1/+1 counter on each of up to two other target creatures you control.

Whenever another creature you control enters, put a +1/+1 counter on this creature. As long as this creature has three or more +1/+1 counters on it, it has flying and is a Knight in addition to its other types.

{4}{W}: Create a 1/1 colorless Gnome artifact creature token.

When this creature enters, draw a card.

Whenever you gain life, put a +1/+1 counter on this creature.