Creatures don't untap during their controllers' untap steps.At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay for each creature chosen this way. If the player does, untap those creatures.
As an additional cost to cast this spell, return X Swamps you control to their owner's hand.Infernal Harvest deals X damage divided as you choose among any number of target creatures.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)At the beginning of your upkeep, return a green creature you control to its owner's hand.
Haste (This creature can attack and as soon as it comes under your control.)At the beginning of the end step, return Viashino Sandstalker to its owner's hand. (Return it only if it's on the battlefield.)
Whenever Dwarven Vigilantes attacks and isn't blocked, you may have it deal damage equal to its power to target creature. If you do, Dwarven Vigilantes assigns no combat damage this turn.
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.
