Tauros (JU 47)
Stomp
20+
Flip a coin. If heads, this attack does 20 damage plus 10 more damage; if tails, this attack does 20 damage.
Rampage
20+
Does 20 damage plus 10 more damage for each damage counter on Tauros. Flip a coin. If tails, Tauros is now Confused (after doing damage).