$0.22
Champion of Rhonas 
Creature — Jackal Warrior
Amonkhet Rare
You may exert Champion of Rhonas as it attacks. When you do, you may put a creature card from your hand onto the battlefield. (An exerted creature won't untap during your next untap step.)
The only way to finish the Trial of Strength is with a basilisk scale in hand.
3/ 3
#159 — Illus. Winona Nelson