Arcane Barrier [CRMS-EN061] Rare 145 it gains 300 ATK during

it gains 300 ATK during the Damage Step only

"Swift Gaia the Fierce Knight" or "Gaia the Dragon Champion" on your side of the field attacks a Defense Position monster

Set: Duel Terminal 1 Card type: Tuner Monster Rarity: Super Rare Attack: 1600 Defense: 200 When this card inflicts Battle Damage to your opponent by a direct attack

but it has its effects negated (even if this card leaves the field)

the first battle or effect damage your opponent takes this turn becomes doubled

Arcane Barrier [CRMS-EN061] Rare 145 it gains 300 ATK duringSet: Crimson Crisis Card type: Continuous Spell Rarity: Rare Attack: 0 Defense: 0 Each time a Spellcaster Type monster(s) on the field is destroyed, place 1 Spell Counter on this card (max. 4). You can send this card and 1 face up Spellcaster Type monster you control to the Graveyard to draw 1 card for each Spell Counters on this card.