Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)Whenever Suq'Ata Assassin attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)
FlyingPhasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)Whenever Shimmering Efreet phases in, target creature phases out. (It phases in before its controller untaps during their next untap step.)
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.): Each creature without flanking blocking Knight of Valor gets -1/-1 until end of turn. Activate only once each turn.
Enchant creatureWhen Vampirism enters, draw a card at the beginning of the next turn's upkeep.Enchanted creature gets +1/+1 for each other creature you control.Other creatures you control get -1/-1.
When Brood of Cockroaches is put into your graveyard from the battlefield, at the beginning of the next end step, you lose 1 life and return Brood of Cockroaches to your hand.
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)When Knight of the Mists enters, you may pay . If you don't, destroy target Knight and it can't be regenerated.
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.): Teferi's Honor Guard phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)Blue creatures can't block creatures you control.Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control.
