Chiron the Mage [FET-EN021] Ultimate Rare Synchro/Effect Monster but they cannot declare an

but they cannot declare an attack and their effects are negated

except for the Synchro Summon of a Dragon-Type Synchro Monster

Set: The New Challengers Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 2000 2 Level 4 monsters You can detach 2 Xyz Materials from this card

You can only use the effect of "Moulinglacia the Elemental Lord" once per turn

if your other DARK Spellcaster monster battles an opponent's monster (Quick Effect): You can send this card from your hand or face-up from your field to the GY

Chiron the Mage [FET-EN021] Ultimate Rare Synchro/Effect Monster but they cannot declare anSet: Flaming Eternity Card type: Effect Monster Rarity: Ultimate Rare Attack: 1800 Defense: 1000 Discard 1 Spell Card from your hand. Destroy 1 Spell or Trap Card on your opponent's side of the field. This effect can only be used once per turn.