Martin, Mana's bane

+2: Destroy target land for each player.
-2: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate."
0: As long as it's your turn, Martin, Mana's bane is a 4/4 Human Soldier creature with double-strike that's still a planes-walker.