
Boros Mastiff | Creature | Dog | Battalion — Whenever Boros Mastiff and at least two other creatures attack, Boros Mastiff gains lifelink until end of turn. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.) | Kev Walker

Lyev Decree | Sorcery | | Detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.) | Kev Walker

Hidden Strings | Sorcery | | You may tap or untap target permanent, then you may tap or untap another target permanent.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) | Daarken

Murmuring Phantasm | Creature | Spirit | Defender | Peter Mohrbacher

Runner's Bane | Enchantment | Aura | Enchant creature with power 3 or less
When Runner's Bane enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step. | Karl Kopinski

Bane Alley Blackguard | Creature | Human Rogue | | Mike Bierek

Riot Piker | Creature | Goblin Berserker | First strike
Riot Piker attacks each combat if able. | Christopher Moeller

Kraul Warrior | Creature | Insect Warrior | {5}{G}: Kraul Warrior gets +3/+3 until end of turn. | David Rapoza

Phytoburst | Sorcery | | Target creature gets +5/+5 until end of turn. | Izzy

Deputy of Acquittals | Creature | Human Wizard | Flash (You may cast this spell any time you could cast an instant.)
When Deputy of Acquittals enters the battlefield, you may return another target creature you control to its owner's hand. | James Ryman

Tithe Drinker | Creature | Vampire | Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) | Slawomir Maniak

Drown in Filth | Sorcery | | Choose target creature. Mill four cards, then that creature gets -1/-1 until end of turn for each land card in your graveyard. | Seb McKinnon

Zhur-Taa Druid | Creature | Human Druid | {T}: Add {G}.
Whenever you tap Zhur-Taa Druid for mana, it deals 1 damage to each opponent. | Mark Winters