(1) Each time a monster(s) is Special Summoned, place 1 Summon Counter on this card (max. 6).
(2) While 6 Summon Counters are on this card, this card cannot be destroyed by card effects.
(3) At the start of Main Phase 1, if 6 Summon Counters are on this card: The turn player can activate this effect; send this card to the GY, and if they do, send all Special Summoned monsters their opponent controls to the GY.