The Phasing of Zhalfir 
Enchantment — Saga
Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I, II — Another target nonland permanent phases out. It can't phase in for as long as you control this Saga. III — Destroy all creatures. For each creature destroyed this way, its controller creates a 2/2 black Phyrexian creature token.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL