Sacred Mesa 
Enchantment
At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a Pegasus.
: Create a 1/1 white Pegasus creature token with flying.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL