Iona, Shield of Emeria [From the Vault: Angels] 79a You can only use each

You can only use each effect of "Evil Twin Ki-sikil" once per turn

you can treat 1 "Harpie" monster you control as a Tuner

Set: Diamond & Pearl: Base Set Type: Colorless Rarity: Rare Retreat cost: Colorless

Cannot be Normal Summoned/Set

the activated effect becomes "Destroy 1 Spell/Trap Card your opponent controls"

Iona, Shield of Emeria [From the Vault: Angels] 79a You can only use eachSet: From the Vault: Angels Type: Legendary Creature Angel Rarity: Mythic Cost: {6}{W}{W}{W} Flying As Iona, Shield of Emeria enters the battlefield, choose a color. Your opponents can't cast spells of the chosen color. No more shall the righteous cower before evil.