Trinisphere - [Foil] Darksteel (DST)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.)

If they exist

you gain 1 life and draw a card

copy target instant or sorcery spell you control

you get an emblem with "You may play cards exiled with Tibalt

The wurm hungers for its child

You exile the top ten cards of your library

When they're done pummeling each other

1x Foil Alt-Art Snow-Covered Swamp

As Cover of Darkness enters the battlefield

you may put target instant or sorcery card from your graveyard on top of your library

Its controller gains life equal to its power

you gain control of target opponent during that player's next turn