Gideon's Triumph 
Instant
Target opponent sacrifices a creature of their choice that attacked or blocked this turn. If you control a Gideon planeswalker, that player sacrifices two of those creatures of their choice instead.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL