Amphibian Downpour is a rare Enchantment — Aura card from Modern Horizons 3 (MH3), collector number 449. Current market price: $2.88 (foil $8.15), TCGplayer market prices via Scryfall.
Flash Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies. Copies become tokens.) Enchant creature Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1.