Sulfur Falls

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R} to your mana pool.

Steam Vents

Chart a Course

1U

Lightning Strike

1R

Reckless Rage

Reckless Rage deals 4 damage to target creature you don't control and 2 damage to target creature you control.

Augur of Bolas

When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

God-Eternal Kefnet

Flying You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, copy that card and you may cast the copy. That copy costs {2} less to cast. When God-Eternal Kefnet dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Dreadhorde Arcanist

Trample Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with converted mana cost less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that card would be put into your graveyard this turn, exile it instead.

Shock

Shock deals 2 damage to any target.

Lightning Stormkin

Flying Haste (This creature can attack and {T} as soon as it comes under your control.)

Temple of Epiphany

Temple of Epiphany enters the battlefield tapped. When Temple of Epiphany enters the battlefield, scry 1. {T}: Add {U} or {R}.

Opt

Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) Draw a card.

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)