Constricting Sliver | Creature | Sliver | Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creature leaves the battlefield." | Karl Kopinski
Soul of Theros | Creature | Avatar | Vigilance
{4}{W}{W}: Creatures you control get +2/+2 and gain first strike and lifelink until end of turn.
{4}{W}{W}, Exile Soul of Theros from your graveyard: Creatures you control get +2/+2 and gain first strike and lifelink until end of turn. | Zack Stella
Triplicate Spirits | Sorcery | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create three 1/1 white Spirit creature tokens with flying. (They can't be blocked except by creatures with flying or reach.) | Izzy
Chronostutter | Instant | | Put target creature into its owner's library second from the top. | Seb McKinnon
Glacial Crasher | Creature | Elemental | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Glacial Crasher can't attack unless there is a Mountain on the battlefield. | Mark Winters
Kapsho Kitefins | Creature | Fish | Flying
Whenever Kapsho Kitefins or another creature enters the battlefield under your control, tap target creature an opponent controls. | Ryan Yee
Soul of Ravnica | Creature | Avatar | Flying
{5}{U}{U}: Draw a card for each color among permanents you control.
{5}{U}{U}, Exile Soul of Ravnica from your graveyard: Draw a card for each color among permanents you control. | Stephan Martiniere
Caustic Tar | Enchantment | Aura | Enchant land
Enchanted land has "{T}: Target player loses 3 life." | Jung Park
Endless Obedience | Sorcery | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Put target creature card from a graveyard onto the battlefield under your control. | Karl Kopinski
Ob Nixilis, Unshackled | Legendary Creature | Demon | Flying, trample
Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.
Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled. | Karl Kopinski
Soul of Innistrad | Creature | Avatar | Deathtouch
{3}{B}{B}: Return up to three target creature cards from your graveyard to your hand.
{3}{B}{B}, Exile Soul of Innistrad from your graveyard: Return up to three target creature cards from your graveyard to your hand. | Adam Paquette
Blastfire Bolt | Instant | | Blastfire Bolt deals 5 damage to target creature. Destroy all Equipment attached to that creature. | Phill Simmer
Might Makes Right | Enchantment | | At the beginning of combat on your turn, if you control each creature on the battlefield with the greatest power, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.) | Mark Winters
Miner's Bane | Creature | Elemental | {2}{R}: Miner's Bane gets +1/+0 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.) | Adam Paquette
Soul of Shandalar | Creature | Avatar | First strike
{3}{R}{R}: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls.
{3}{R}{R}, Exile Soul of Shandalar from your graveyard: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls. | Raymond Swanland
Ancient Silverback | Creature | Ape | {G}: Regenerate Ancient Silverback. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) | Scott M. Fischer
Carnivorous Moss-Beast | Creature | Plant Elemental Beast | {5}{G}{G}: Put a +1/+1 counter on Carnivorous Moss-Beast. | Filip Burburan
Kalonian Twingrove | Creature | Treefolk Warrior | Kalonian Twingrove's power and toughness are each equal to the number of Forests you control.
When Kalonian Twingrove enters the battlefield, create a green Treefolk Warrior creature token with "This creature's power and toughness are each equal to the number of Forests you control." | Todd Lockwood
Phytotitan | Creature | Plant Elemental | When Phytotitan dies, return it to the battlefield tapped under its owner's control at the beginning of their next upkeep. | Marco Nelor
Soul of Zendikar | Creature | Avatar | Reach
{3}{G}{G}: Create a 3/3 green Beast creature token.
{3}{G}{G}, Exile Soul of Zendikar from your graveyard: Create a 3/3 green Beast creature token. | Vincent Proce
Obelisk of Urd | Artifact | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
As Obelisk of Urd enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +2/+2. | John Severin Brassell
Scuttling Doom Engine | Artifact Creature | Construct | Scuttling Doom Engine can't be blocked by creatures with power 2 or less.
When Scuttling Doom Engine dies, it deals 6 damage to target opponent or planeswalker. | Filip Burburan
Soul of New Phyrexia | Artifact Creature | Phyrexian Avatar | Trample
{5}: Permanents you control gain indestructible until end of turn.
{5}, Exile Soul of New Phyrexia from your graveyard: Permanents you control gain indestructible until end of turn. | Daarken
Will-Forged Golem | Artifact Creature | Golem | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) | Jason Felix