Stompa

•Put this card into play under your control.
Trample, crew d10
Whenever this creature attacks, roll a d20:
•1: this creature doesn't untap next turn.
•2-10: this creature deals 3 damage to target
creature.
{bull}11-19: this creature deals 6 damage to target
creature.
{bull}20: untap all creatures you control, there is an additional combat phase after this one.