Rip-Tire

(Token)
Haste
Rip-Tire can't become tapped and can't block,
attacks each turn if able, and can't be targeted by
your spells or abilities.
If Rip-Tire becomes blocked and is destroyed,
destroy all creatures blocking it.
If Rip-Tire attacks an opponent and is not
destroyed at the end of combat, destroy it. Deal
20 damage to that opponent.