Soul Crossing (EGS1-EN002) - Egyptian God Deck: Slifer the Sky Dragon Unlimited

During the Main Phase: Immediately after this effect resolves, Tribute Summon 1 Divine-Beast monster. When you do, you can Tribute a monster(s) your opponent controls, even though you do not control them, but if you Tribute Summon this way, apply this effect.
• Until the end of the next turn after this card resolves, you can only activate 1 card or effect per turn, not counting the effects of Divine-Beast monsters.
You can only activate 1 "Soul Crossing" per turn.