Bloomburrow

Brave-Kin Duo | Creature | Rabbit Mouse | {1}, {T}: Target creature gets +1/+1 until end of turn. Activate only as a sorcery. | Devin Platts

Crumb and Get It | Instant | | Gift a Food (You may promise an opponent a gift as you cast this spell. If you do, they create a Food token before its other effects. It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Target creature you control gets +2/+2 until end of turn. If the gift was promised, that creature also gains indestructible until end of turn. | Justyna Dura

Shore Up | Instant | | Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.) | Raph Lomotan

Ravine Raider | Creature | Lizard Rogue | Menace (This creature can't be blocked except by two or more creatures.) {1}{B}: Ravine Raider gets +1/+1 until end of turn. | Simon Dominic

Might of the Meek | Instant | | Target creature gains trample until end of turn. It also gets +1/+0 until end of turn if you control a Mouse. Draw a card. | Danny Schwartz

War Squeak | Enchantment | Aura | Enchant creature When War Squeak enters, target creature an opponent controls can't block this turn. Enchanted creature gets +1/+1 and has haste. | Zoltan Boros

High Stride | Instant | | Target creature gets +1/+3 and gains reach until end of turn. Untap it. | Dan Murayama Scott

Longstalk Brawl | Sorcery | | 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.) Choose target creature you control and target creature you don't control. Put a +1/+1 counter on the creature you control if the gift was promised. Then those creatures fight each other. | Serena Malyon

Sunshower Druid | Creature | Frog Druid | When Sunshower Druid enters, put a +1/+1 counter on target creature and you gain 1 life. | Tuan Duong Chu

Fountainport Bell | Artifact | | When Fountainport Bell enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top. {1}, Sacrifice Fountainport Bell: Draw a card. | Néstor Ossandón Leal