At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on Bloodhall Ooze.
At the beginning of your upkeep, if you control a green permanent, you may put a +1/+1 counter on Bloodhall Ooze.
1 /
1
{3}{R}{R}
Falkenrath Marauders
Creature - Vampire Warrior
Flying, haste
Whenever Falkenrath Marauders deals combat damage to a player, put two +1/+1 counters on it.
2 /
2
{1}{R}
First Day of Class
Instant
Whenever a creature enters the battlefield under your control this turn, put a +1/+1 counter on it and it gains haste until end of turn.
Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)
{2}{R}{R}
Goblin Razerunners
Creature - Goblin Warrior
{1}{R}, Sacrifice a land: Put a +1/+1 counter on Goblin Razerunners.
At the beginning of your end step, you may have Goblin Razerunners deal damage equal to the number of +1/+1 counters on it to target player or planeswalker.
3 /
4
{2}{B}{R}
Ob Nixilis, Captive Kingpin
Legendary Creature - Demon
Flying, trample
Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card.
4 /
3
{2}{B}{R}
Olivia Voldaren
Legendary Creature - Vampire
Flying
{1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/+1 counter on Olivia Voldaren.
{3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren.
3 /
3
{2}{B}{R}
Uglúk of the White Hand
Legendary Creature - Orc Soldier
Whenever another creature you control dies, put a +1/+1 counter on Uglúk of the White Hand. If that creature was a Goblin or Orc, put two +1/+1 counters on Uglúk instead.
3 /
3
{6}{B}{R}
Vampiric Dragon
Creature - Vampire Dragon
Flying
Whenever a creature dealt damage by Vampiric Dragon this turn dies, put a +1/+1 counter on Vampiric Dragon.
{1}{R}: Vampiric Dragon deals 1 damage to target creature.