
Ashen Rider | Creature | Archon | Flying
When Ashen Rider enters the battlefield or dies, exile target permanent. | Chris Rahn

Sentry of the Underworld | Creature | Griffin Skeleton | Flying, vigilance
{W}{B}, Pay 3 life: Regenerate Sentry of the Underworld. | Dave Kendall

Triad of Fates | Legendary Creature | Human Wizard | {1}, {T}: Put a fate counter on another target creature.
{W}, {T}: Exile target creature that has a fate counter on it, then return it to the battlefield under its owner's control.
{B}, {T}: Exile target creature that has a fate counter on it. Its controller draws two cards. | Daarken

Shipwreck Singer | Creature | Siren | Flying
{1}{U}: Target creature an opponent controls attacks this turn if able.
{1}{B}, {T}: Attacking creatures get -1/-1 until end of turn. | Daarken

Kragma Warcaller | Creature | Minotaur Warrior | Minotaur creatures you control have haste.
Whenever a Minotaur you control attacks, it gets +2/+0 until end of turn. | Gabor Szikszai

Tymaret, the Murder King | Legendary Creature | Zombie Warrior | {1}{R}, Sacrifice another creature: Tymaret, the Murder King deals 2 damage to target player or planeswalker.
{1}{B}, Sacrifice a creature: Return Tymaret from your graveyard to your hand. | Volkan Baǵa

Underworld Cerberus | Creature | Dog | Underworld Cerberus can't be blocked except by three or more creatures.
Cards in graveyards can't be the targets of spells or abilities.
When Underworld Cerberus dies, exile it and each player returns all creature cards from their graveyard to their hand. | Svetlin Velinov

Pharika's Mender | Creature | Gorgon | When Pharika's Mender enters the battlefield, you may return target creature or enchantment card from your graveyard to your hand. | Peter Mohrbacher

Reaper of the Wilds | Creature | Gorgon | Whenever another creature dies, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{B}: Reaper of the Wilds gains deathtouch until end of turn.
{1}{G}: Reaper of the Wilds gains hexproof until end of turn. | Karl Kopinski