Xolotl Earthbound Immortal

1 Tuner + 2 or more non-Tuner monsters.
This card's name is always treated as Earthbound Immortal.
There can only be 1 Earthbound Immortal on the Field. If there is no face up Field Spell Card, destroy this card. This cards original ATK and DEF becomes 500 x the number of Synchro Material used to summon this card. This card can attack one extra time for each Non-Tuner used to summon this card. If this card is destroyed and sent to the Graveyard (either through battle or card effect), Special Summon it during the End Phase unless it was destroyed by its own effect. If this card is Special Summoned this way, increase its original ATK and DEF by 500 (permanently) and it can attack one extra time.