Leonie,Queen of the Pride

+1: Gain control of target land until end of turn. Use mana produced by that land only to play Cat spells.
-3: Cats you control gain +1/+1 and gain Haste until end of turn.
-6: Create 3 Cat creature tokens with when this creature enters the battlefield, all cats you control get +3/+3 and are unlockable until end of turn.