Dragonlord Silumgar

Flying, deathtouch When Dragonlord Silumgar enters the battlefield, gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar.

Languish

All creatures get -4/-4 until end of turn.

Caves of Koilos

{T}: Add {1} to your mana pool. {T}: Add {W} or {B} to your mana pool. Caves of Koilos deals 1 damage to you.

Read the Bones

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Gideon, Ally of Zendikar

Ob Nixilis Reignited

Prairie Stream

Ruinous Path

Shambling Vent

Sunken Hollow

Transgress the Mind

Grasp of Darkness

Anguished Unmaking

Choked Estuary

Sorin, Grim Nemesis

Liliana, the Last Hope

Oath of Liliana

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)