Trinisphere [Darksteel] Earth You cannot substitute for any

You cannot substitute for any other Fusion-Material Monsters in the current Fusion

•Target 1 "D/D" monster in your Graveyard

Whoever the Eldrazi were

the Fusion Material Monsters that are listed on an "Elemental HERO" Fusion Monster Card

and only once per turn

Trinisphere [Darksteel] Earth You cannot substitute for anySet: 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.)