
Advanced Stitchwing | Creature | Zombie Horror | Flying
{2}{U}, Discard two cards: Return Advanced Stitchwing from your graveyard to the battlefield tapped. | Johann Bodin

Curious Homunculus | Creature | Homunculus | {T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.
At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus. | Filip Burburan

Geist of the Archives | Creature | Spirit | Defender
At the beginning of your upkeep, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Lake Hurwitz

Grizzled Angler | Creature | Human | {T}: Mill two cards. Then if there is a colorless creature card in your graveyard, transform Grizzled Angler. | Kev Walker

Nebelgast Herald | Creature | Spirit | Flash (You may cast this spell any time you could cast an instant.)
Flying
Whenever Nebelgast Herald or another Spirit enters the battlefield under your control, tap target creature an opponent controls. | Zezhou Chen

Mercurial Geists | Creature | Spirit | Flying
Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn. | Lake Hurwitz

Drownyard Behemoth | Creature | Eldrazi Crab | Flash (You may cast this spell any time you could cast an instant.)
Emerge {7}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
Drownyard Behemoth has hexproof as long as it entered the battlefield this turn. | Jason Kang

Lashweed Lurker | Creature | Eldrazi Horror | Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, you may put target nonland permanent on top of its owner's library. | Igor Kieryluk

Vexing Scuttler | Creature | Eldrazi Crab | Emerge {6}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, you may return target instant or sorcery card from your graveyard to your hand. | James Paick