Polymorphist's Jest

Instant

Frogify

Enchantment — Aura

Mercurial Transformation

Sorcery — Lesson

Omnibian

Creature — Frog

Snakeform

Instant

Ovinize

Instant

Serpentine Ambush

Instant

Amphibian Downpour

Enchantment — Aura

Burrog Befuddler

Creature — Frog Wizard

Gift of Tusks

Instant

Ichthyomorphosis

Enchantment — Aura

Very Cryptic Command

Instant

Whiptongue Frog

Creature — Frog

Mordenkainen's Polymorph

Instant

Serendib Sorcerer

Creature — Human Wizard Sorcerer

Wrath of Oko

Sorcery

Fractalize

Instant

Witch's Familiar

Creature — Frog

Spring Splasher

Creature — Frog Beast

Quickchange

Instant

Frog Butler

Creature — Frog Spirit

Diminish

Instant

Humble

Instant

Margle, Cousin of Yargle

Legendary Creature — Frog Noble

Leapfrog

Creature — Frog

Croaking Counterpart

Sorcery

Startling Development

Instant

Merfolk Thaumaturgist

Creature — Merfolk Wizard

Cerulean Wisps

Instant

Amoeboid Changeling

Creature — Shapeshifter

Noggle the Mind

Enchantment — Aura