{T}: Gain control of target creature with power less than or equal to the number of creatures you control. 1/1
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.
Islandwalk (This creature can’t be blocked as long as defending player controls an Island.) {1}{W}: Target Merfolk you control gains protection from the color of your choice until end of turn. 2/2
Whenever Goblin Snowman blocks, prevent all combat damage that would be dealt to and dealt by it this turn. {T}: Goblin Snowman deals 1 damage to target creature it’s blocking. 1/1
{2}, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn’t have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. If it’s a creature, it has haste.) 2/2
Other Merfolk creatures you control get +1/+1. Whenever you cast a Merfolk spell, you may tap or untap target permanent. 2/2
When Goblin Matron enters, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle. 1/1
Lands you control have "T: Add one mana of any color." T: Add one mana of any color.
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."
When Agent of Treachery enters, gain control of target permanent. At the beginning of your end step, if you control three or more permanents you don’t own, draw three cards.
R: Inferno Titan gets +1/+0 until end of turn. Whenever Inferno Titan enters the battlefield or attacks, it deals 3 damage divided as you choose among one, two, or three target creatures and/or players.
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.
Protection from blue (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue.) Whenever Goblin Piledriver attacks, it gets +2/+0 until end of turn for each other attacking Goblin.