Bloomburrow

Flowerfoot Swordmaster | Creature | Mouse Soldier | Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, Mice you control get +1/+0 until end of turn. | Aaron Miller

Seasoned Warrenguard | Creature | Rabbit Warrior | Whenever Seasoned Warrenguard attacks while you control a token, Seasoned Warrenguard gets +2/+0 until end of turn. | Dave Kendall

Into the Flood Maw | Instant | | Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.) Return target creature an opponent controls to its owner's hand. If the gift was promised, instead return target nonland permanent an opponent controls to its owner's hand. | Danny Schwartz

Splash Portal | Sorcery | | Exile target creature you control, then return it to the battlefield under its owner's control. If that creature is a Bird, Frog, Otter, or Rat, draw a card. | Caio Monteiro

Bonecache Overseer | Creature | Squirrel Warlock | {T}, Pay 1 life: Draw a card. Activate only if three or more cards left your graveyard this turn or if you've sacrificed a Food this turn. | Mila Pesic

Ruthless Negotiation | Sorcery | | Target opponent exiles a card from their hand. If this spell was cast from a graveyard, draw a card. Flashback {4}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | Rhonda Libbey

Blacksmith's Talent | Enchantment | Class | (Gain the next level as a sorcery to add its ability.) When Blacksmith's Talent enters, create a colorless Equipment artifact token named Sword with "Equipped creature gets +1/+1" and equip {2}. {2}{R}: Level 2 At the beginning of combat on your turn, attach target Equipment you control to up to one target creature you control. {3}{R}: Level 3 During your turn, equipped creatures you control have double strike and haste. | Vincent Christiaens

Heartfire Hero | Creature | Mouse Soldier | Valiant — Whenever Heartfire Hero becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it. When Heartfire Hero dies, it deals damage equal to its power to each opponent. | Jakub Kasper

Stocking the Pantry | Enchantment | | Whenever you put one or more +1/+1 counters on a creature you control, put a supply counter on Stocking the Pantry. {2}, Remove a supply counter from Stocking the Pantry: Draw a card. | Gina Matarazzo

Heirloom Epic | Artifact | | {4}, {T}: Draw a card. For each mana in this ability's activation cost, you may tap an untapped creature you control rather than pay that mana. Activate only as a sorcery. | Fiona Hsieh