Advanced format ruling
Elemental HERO Tempest
Card effect (current official text)"Elemental HERO Avian" + "Elemental HERO Sparkman" + "Elemental HERO Bubbleman"
Must be Fusion Summoned and cannot be Special Summoned by other ways. You can send 1 other card you control to the Graveyard to target 1 monster you control; while this card is face-up on the field, that monster cannot be destroyed by battle.
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.