Calling Stone1
Artifact
Whenever a creature enters the battlefield, put a charge counter on ~. t: Look at the top X cards of your library, where X is the number of charge counters on ~. You may exile a creature card from among them and cast it this turn. If you don't, sacrifice ~ and draw a card.
Undercity Djinn1UUBB
Creature - Djinn Rogue
Flying
Whenever ~ deals combat damage to a player, cards in your hand gain Transmute 1UB until the end of the turn.
4/3
X-Eyed Assailant1BB
Creature - Dauthi Assassin
Shadow 1BB, Sacrifice ~: Choose one or both—Target creature gains shadow until end of turn; and/or, destroy target creature with shadow.
2/1
ImproviseB
Instant
As an additional cost to cast ~, sacrifice a creature.
Put a 1/1 black Imp creature token with flying onto the battlefield. Hellbent—If you have no cards in your hand, put 3 of those tokens onto the battlefield instead.
Daryx, Skeleton King1BB
Legendary Creature - Skeleton
Whenever another creature you control regenerates, you may regenerate ~. 1BB: Regenerate ~, then untap it.
2/2
Overlain Canopy
Enchantment Land t: Add G to your mana pool.
Tap two untapped Forests you control: Target creature gets +1/+1 and gains reach until end of turn.
At the beginning of each end step, sacrifice ~ if you control no untapped Forests.
Momentarian1WW
Creature - Spirit Soldier
Transient 1U(You may cast ~ for its Transient cost. If you do, return it to your hand at the end of turn.)
Flash, Vigilance
2/3
Ire of Nightfall1BB
Creature - Horror
You may pay 0 rather than pay ~'s mana cost if two or more Swamps entered the battlefield this turn. B: ~ gains haste and intimidate until end of turn.
2/2
Violent CorpseBBR
Creature - Zombie Berserker
At the beginning of your upkeep, if ~ is in your graveyard, you may sacrifice a creature you control. If you do, return ~ to the battlefield. It has haste until the end of turn.
3/2
Yawning WanderlingWU
Creature - Elemental
Flash
When ~ enters the battlefield, tap target creature. It doesn't untap during its controller's next untap step.
1/3
Nascent Grove
Land
~ enters the battlefield tapped. t: Add G to your mana pool. If ~ has 3 or more +1/+1 counters on it, add GGG to your mana pool instead.
Artifact Creature - Scarecrow
When ~ enters the battlefield or dies, untap up to two target lands.
1/3
Artifact
Whenever a creature enters the battlefield, put a charge counter on ~.
t: Look at the top X cards of your library, where X is the number of charge counters on ~. You may exile a creature card from among them and cast it this turn. If you don't, sacrifice ~ and draw a card.
Creature - Djinn Rogue
Flying
Whenever ~ deals combat damage to a player, cards in your hand gain Transmute 1UB until the end of the turn.
4/3
Creature - Dauthi Assassin
Shadow
1BB, Sacrifice ~: Choose one or both—Target creature gains shadow until end of turn; and/or, destroy target creature with shadow.
2/1
Instant
As an additional cost to cast ~, sacrifice a creature.
Put a 1/1 black Imp creature token with flying onto the battlefield.
Hellbent—If you have no cards in your hand, put 3 of those tokens onto the battlefield instead.
Legendary Creature - Skeleton
Whenever another creature you control regenerates, you may regenerate ~.
1BB: Regenerate ~, then untap it.
2/2
Next: Undead Alchemist
Enchantment Land
t: Add G to your mana pool.
Tap two untapped Forests you control: Target creature gets +1/+1 and gains reach until end of turn.
At the beginning of each end step, sacrifice ~ if you control no untapped Forests.
Running-Brook Scout U
Creature - Merfolk
Tap another untapped Merfolk permanent you control: Untap ~.
1/1
Creature - Human Rogue
Defender
Whenever ~ enters the battlefield or dies, draw a card.
1/3
Creature - Horror
~ costs 1 less to cast for each Human creature that entered the battlefield this turn.
Flash
5/3
Creature - Spirit Soldier
Transient 1U (You may cast ~ for its Transient cost. If you do, return it to your hand at the end of turn.)
Flash, Vigilance
2/3
Creature - Horror
You may pay 0 rather than pay ~'s mana cost if two or more Swamps entered the battlefield this turn.
B: ~ gains haste and intimidate until end of turn.
2/2
Creature - Zombie Berserker
At the beginning of your upkeep, if ~ is in your graveyard, you may sacrifice a creature you control. If you do, return ~ to the battlefield. It has haste until the end of turn.
3/2
Creature - Elemental
Flash
When ~ enters the battlefield, tap target creature. It doesn't untap during its controller's next untap step.
1/3
Land
~ enters the battlefield tapped.
t: Add G to your mana pool. If ~ has 3 or more +1/+1 counters on it, add GGG to your mana pool instead.