Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-2
2/3
: Brimstone Mage deals 1 damage to any target.
LEVEL 3+
2/4
: Brimstone Mage deals 3 damage to any target.

If you control an Eldrazi Spawn, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ." Otherwise, create one of those tokens.

Eldrazi Spawn creatures you control get +2/+1.

Flying
When Cadaver Imp enters the battlefield, you may return target creature card from your graveyard to your hand.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-4
2/2
LEVEL 5+
5/5
First strike

Instant and sorcery spells you control have rebound. (Exile the spell as it resolves if you cast it from your hand. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Flying
Champion's Drake gets +3/+3 as long as you control a creature with three or more level counters on it.

Flying
When Conquering Manticore enters the battlefield, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Destroy each creature with converted mana cost 3 or less. They can't be regenerated.

Target player sacrifices a creature. You gain life equal to that creature's toughness.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Enchant land
Enchanted land is a Swamp.
Whenever enchanted land becomes tapped, its controller loses 2 life.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-3
3/3
Flying
LEVEL 4+
4/4
Flying
Other Merfolk creatures you control get +1/+1.

Destroy target nonblack creature. Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

Enchant creature
: Untap enchanted creature.
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

As Curse of Wizardry enters the battlefield, choose a color.
Whenever a player casts a spell of the chosen color, that player loses 1 life.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Flying
: Tap all creatures target player controls.

Sacrifice Death Cultist: Target player loses 1 life and you gain 1 life.

Flying
: Target creature gains indestructible until end of turn.

Enchant creature you control
Enchanted creature gets +3/+3.
At the beginning of your upkeep, sacrifice a creature.