Name:Champion of Rhonas
ManaCost:3 G
Types:Creature Jackal Warrior
PT:3/3
K:You may exert CARDNAME as it attacks.
T:Mode$ Exerted | ValidCard$ Card.Self | Execute$ TrigChangeZone | TriggerDescription$ When you exert CARDNAME, you may put a creature card from your hand onto the battlefield.
SVar:TrigChangeZone:DB$ ChangeZone | Origin$ Hand | Destination$ Battlefield | ChangeType$ Creature | ChangeNum$ 1 | SpellDescription$ You may put a creature card from your hand onto the battlefield. 
Oracle: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.)