Advanced format ruling
Summoner of Illusions
Card effect (current official text)FLIP: Tribute 1 other monster, and if you do, Special Summon 1 Fusion Monster from your Extra Deck, but destroy it during the End Phase of this turn.
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.