Destiny HERO - Plasma [SGX1-ENB01] Common SV014 place 1 "Spirit Message" card

place 1 "Spirit Message" card from your hand or your Deck face-up on the field

that specifically lists the card "Gaia the Dragon Champion" in its text

Set: Cybernetic Horizon Card type: Ritual/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 You can Ritual Summon this card with "Cynet Ritual"

Special Summon 1 Level 4 "Mathmech" monster from your hand or GY

Set: Starter Deck: Syrus Truesdale Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Activate only when your opponent declares an attack while the only monsters on your side of the field are Machine-Type "roid" monsters

Destiny HERO - Plasma [SGX1-ENB01] Common SV014 place 1 "Spirit Message" cardSet: Speed Duel GX: Duel Academy Box Card type: Effect Monster Rarity: Common Attack: 1900 Defense: 600 Cannot be Normal Summoned Set. Must be Special Summoned (from your hand) by Tributing 3 monsters. Negate the effects of face up monsters while your opponent controls them. Once per turn: You can target 1 monster your opponent controls; equip that target to this card (max. 1). This card gains ATK equal to half the original ATK of the monster equipped