Trinisphere [Darksteel] Land // Legendary Creature If those permanents are exchanged

If those permanents are exchanged this way

if it wasn't sacrificed

The Arbiter is a conduit of justice

Set: Theros Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {3}{R} Indestructible

Set: Portal Type: Creature — Elf Scout Rarity: Rare Cost: {2}{G} When Wood Elves enters the battlefield

Trinisphere [Darksteel] Land // Legendary Creature If those permanents are exchangedSet: Darksteel Type: Artifact Rarity: Rare Cost: {3} As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)