![Gem-Knight Aquamarine [HA05-EN020] Secret Rare RC12 Servant of Oni deals combat](https://cdn.shopify.com/s/files/1/0420/0330/0511/products/8f741336-dd74-55ac-999c-bd0ba3058e85.png?v=1618622855)
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Servant of Oni deals combat damage to a player
Set: Sun & Moon: Base Set Type: Water Rarity: Secret Rare Retreat cost: Colorless
that creature gains the forestwalk ability
Set: Mirrodin Type: Artifact Uncommon Cost: {2} Imprint — When Isochron Scepter enters the battlefield
Set: Tempest Type: Sorcery Rare Cost: {3}{U}{U} Target player takes an extra turn after this one
Gem-Knight Aquamarine [HA05-EN020] Secret Rare RC12 Servant of Oni deals combatSet: Hidden Arsenal 5: Steelswarm Invasion Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 1400 Defense: 2600 Gem Knight Sapphire + 1 "Gem Knight" monster Must first be Fusion Summoned (from the Extra Deck) using the above Fusion Material Monsters. If this card attacks: Change it to Defense Position at the end of the Battle Phase. When this card is sent from the field to the Graveyard: Target 1 card your opponent controls; return it to
