Fish Sonar [LED9-EN020] Ultra RareSet: Legendary Duelists: Duels From the Deep Card type: Normal Spell Rarity: Ultra Rare Add 1 Level 7 or lower monster from your Deck to your hand, that mentions "Umi", or is a WATER Normal Monster, then if "Umi" is on the field, you can Special Summon 1 WATER Normal Monster from your Deck. You can only activate 1 "Fish Sonar" per turn.

it is removed from play

Set: Black & White: Plasma Storm Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Trainer Kit - Raichu Type: Lightning Rarity: Promo Retreat cost: 0

cards will not become active in your opponent's next Refresh Phase

Set: Sword & Shield: Battle Styles Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Set: EX: Crystal Guardians Type: Darkness Rarity: Uncommon Retreat cost: Colorless

Set: Black & White: Legendary Treasures Type: Energy Rarity: Uncommon

You can only Special Summon "Nightmare Apprentice" once per turn this way

Set: Expedition: Base Set Type: Supporter Rarity: Uncommon

except "Toon Dark Magician"

you can Pendulum Summon this face-up card from your Extra Deck

Set: Expedition: Base Set Type: Darkness Rarity: Rare Retreat cost: Colorless