Keldon Battlewagon

Keldon Battlewagon

Artifact Creature - Juggernaut | Power/Toughness: 0 / 3 (CMC 5)
Trample
Keldon Battlewagon can't block.
When Keldon Battlewagon attacks, sacrifice it at end of combat.
Tap an untapped creature you control: Keldon Battlewagon gets +X/+0 until end of turn, where X is the power of the creature tapped this way.