Clement, the Worrywort
Legendary Creature — Frog Druid · {1}{G}{U}
0.33
USD
Vigilance
Whenever Clement 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."