Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.
Other Merfolk creatures you control get +1/+1. Whenever you cast a Merfolk spell, you may tap or untap target permanent. 2/2
As Wanderwine Hub enters, you may reveal a Merfolk card from your hand. If you don’t, Wanderwine Hub enters tapped. {T}: Add {W} or {U}.
Enchant creature Enchanted creature has "T: Put X 1/1 red Elemental creature tokens with haste into play, where X is this creature's power. Remove them from the game at end of turn."
Whenever Pashalik Mons or another Goblin you control dies, Pashalik Mons deals 1 damage to any target. 3R, Sacrifice a Goblin: Create two 1/1 red Goblin creature tokens.
When Goblin Matron enters the battlefield, you may search your library for a Goblin card, reveal that card, and put it into your hand. If you do, shuffle your library.
2R, Sacrifice two Goblins: Put three Goblin tokens into play. Treat these tokens as 1/1 red creatures.
Woodland Cemetery enters tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.
Enchant creature Enchanted creature has hexproof and can’t be blocked by more than one creature.
At the beginning of combat on your turn, choose one — • Creatures you control get +1/+1 and gain trample until end of turn. • Target land gains “{T}: Add {G}{G}{G}” until end of turn. • Draw a card if you control a creature with power 3 or greater. • You gain 3 life.
[+2]: Discard up to two cards, then draw that many cards. [-2]: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield. [-10]:You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step." Daretti, Scrap Savant can be your commander.
As Engineered Plague enters, choose a creature type. All creatures of the chosen type get -1/-1.
Return any number of cards with different mana values from your graveyard to your hand. Put Seasons Past on the bottom of its owner’s library.