When Gray Merchant of Asphodel enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each in the mana costs of permanents you control counts toward your devotion to black.)
Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.
FlyingHaste (This creature can attack and as soon as it comes under your control.)When Thundermaw Hellkite enters, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.
At the beginning of each player's draw step, that player draws an additional card.Whenever a player draws a card, Spiteful Visions deals 1 damage to that player.
When Kardur, Doomscourge enters, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able.Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.
+1: Mill three cards. If at least one Zombie card is milled this way, each opponent loses 2 life and you gain 2 life.−2: Target creature gets -X/-X until end of turn, where X is the number of Zombies you control.−3: You may cast Zombie spells from your graveyard this turn.
Flying, hasteLieutenant — As long as you control your commander, Tyrant's Familiar gets +2/+2 and has "Whenever Tyrant's Familiar attacks, it deals 7 damage to target creature defending player controls."
+1: Put a +1/+1 counter on up to one target creature.−3: Target creature gains flying and double strike until end of turn.−8: Create X 2/2 white Cat creature tokens, where X is your life total.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)Create X 1/1 white Soldier creature tokens with lifelink.
