2 synchros

[PrometheusMFD]

The level of this card is equal to the combined level of the monsters used to Synchro Summon this card (max. 12). The original ATK and DEF of this card are equal to the level of this card times 500. When this card is targeted for a Spell Card, Trap Card, or Monster Effect, you can downgrade this card by 2 levels to negate the effect of that card and destroy it.

 

 

1 Tuner monster + 1 or more non Tuner monsters

If this card is Synchro Summoned using a monster with "Nitro" in its name, increase the ATK of this card by 800. During your Main Phase, you can tribute 1 monster to destroy 1 Spell Card or Trap Card on the field.