Totem Dragon (SGX3-ENB12) [Speed Duel GX: Duelists of Shadows]

Can be treated as 2 Tributes for the Tribute Summon of a Dragon monster. Once per turn, during your Standby Phase, if this card is in your GY and all monsters in your GY are Dragon: You can Special Summon this card in Attack Position, but banish it when it leaves the field. You must control no monsters to activate and to resolve this effect.