Trial of Ambition 
Enchantment
When this enchantment enters, target opponent sacrifices a creature of their choice. When a Cartouche you control enters, return this enchantment to its owner's hand.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL