Temporal Mastery

Take an extra turn after this one. Exile Temporal Mastery. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Tolaria West

Tolaria West comes into play tapped. {T}: Add {U} to your mana pool. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with converted mana cost 0, reveal it, and put it into your hand. Then shuffle your library. Play only as a sorcery.)

Snapcaster Mage

Flash When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Timely Reinforcements

If you have less life than an opponent, you gain 6 life. If you control fewer creatures than an opponent, put three 1/1 white Soldier creature tokens onto the battlefield.

Day's Undoing

Each player shuffles his or her hand and graveyard into his or her library, then draws seven cards. If it's your turn, end the turn. (Exile all spells and abilities on the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Serum Visions

Draw a card. Scry 2 (Look at the top two cards of your library. Put any number of them on the bottom of your library and the rest on top of it in any order.)

Cryptic Command

Mikokoro, Center of the Sea

{T}: Add {1} to your mana pool. {2}, {T}: Each player draws a card.

Time Warp

Target player takes another turn after this one.

Ancestral Vision

Ancestral Vision is blue. Suspend 4—{U} (Rather than play this card from your hand, pay {U} and remove it from the game with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, play it without paying its mana cost.) Target player draws three cards.

Gemstone Caverns

If Gemstone Caverns is in your opening hand and you're not playing first, you may begin the game with Gemstone Caverns in play with a luck counter on it. If you do, remove a card in your hand from the game. {T}: Add {1} to your mana pool. If Gemstone Caverns has a luck counter on it, instead add one mana of any color to your mana pool.

Living End

Living End is black. Suspend 3—{2}{B}{B} Each player removes all creature cards in his or her graveyard from the game, then sacrifices all creatures he or she controls, then puts into play all cards he or she removed this way.

Exhaustion

Creatures and lands target opponent controls do not untap during his or her next untap phase.

Jace, the Mind Sculptor

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library. 0: Draw three cards, then put two cards from your hand on top of your library in any order. -1: Return target creature to its owner's hand. -12: Exile all cards from target player's library, then that player shuffles his or her hand into his or her library.

Flooded Strand

Polluted Delta

Scalding Tarn

As Foretold

Glacial Fortress

Hallowed Fountain

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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.

Field of Ruin

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles their library.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)