Kamahl, Heart of Krosa (237) [The List]

At the beginning of combat on your turn, creatures you control get +3/+3 and gain trample until end of turn.
1G: Until end of turn, target land you control becomes a 1/1 Elemental creature with vigilance, indestructible, and haste. It's still a land.
Partner (You can have two commanders if both have partner.)