Sentry of the Underworld | Creature | Griffin Skeleton | Flying, vigilance
{W}{B}, Pay 3 life: Regenerate Sentry of the Underworld. | Dave Kendall
Psychic Intrusion | Sorcery | | Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. | Jaime Jones
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
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