Advanced format ruling
Forgotten Temple of the Deep
Card effect (current official text)While this card is on the field, this card's name becomes "Umi". Once per turn: You can target 1 Level 4 or lower Fish, Sea Serpent or Aqua-Type monster you control; banish that target. During your End Phase: Special Summon the monster(s) banished by this effect.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.