Bloomburrow

Clement, the Worrywort | Legendary Creature | Frog Druid | Vigilance Whenever Clement, the Worrywort or another creature you control enters, return up to one target creature you control with lesser mana value to its owner's hand. Frogs you control have "{T}: Add {G} or {U}. Spend this mana only to cast a creature spell." | Ekaterina Burmak

Dreamdew Entrancer | Creature | Frog Wizard | Reach When Dreamdew Entrancer enters, tap up to one target creature and put three stun counters on it. If you control that creature, draw two cards. | Zoltan Boros

Lilysplash Mentor | Creature | Frog Druid | Reach {1}{G}{U}: Exile another target creature you control, then return it to the battlefield under its owner's control with a +1/+1 counter on it. Activate only as a sorcery. | Aldo Domínguez

Pond Prophet | Creature | Frog Advisor | When Pond Prophet enters, draw a card. | Simon Dominic

Helga, Skittish Seer | Legendary Creature | Frog Druid | Whenever you cast a creature spell with mana value 4 or greater, you draw a card, gain 1 life, and put a +1/+1 counter on Helga, Skittish Seer. {T}: Add X mana of any one color, where X is Helga, Skittish Seer's power. Spend this mana only to cast creature spells with mana value 4 or greater or creature spells with {X} in their mana costs. | Andrea Piparo

Glarb, Calamity's Augur | Legendary Creature | Frog Wizard Noble | Deathtouch You may look at the top card of your library any time. You may play lands and cast spells with mana value 4 or greater from the top of your library. {T}: Surveil 2. | Bram Sels