Plains

Circle of Protection: Blue

{1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Snap

Return target creature to its owner's hand. Untap up to two lands.

Circle of Protection: Artifacts

{2}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.

Wall of Essence

Defender (This creature can't attack.)
Whenever this creature is dealt combat damage, you gain that much life.

Feldon's Cane

{T}, Exile this artifact: Shuffle your graveyard into your library.

Greater Realm of Preservation

{1}{W}: The next time a black or red source of your choice would deal damage to you this turn, prevent that damage.

Counterspell

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Circle of Protection: White

{1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

Radiant Essence

This creature gets +1/+2 as long as an opponent controls a black permanent.

Salvage

Put target card from your graveyard on top of your library.

Circle of Protection: Red

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Angelic Wall

Defender (This creature can't attack.)
Flying

Memory Lapse

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Prevent all combat damage that would be dealt this turn.

Forest

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Revive

Return target green card from your graveyard to your hand.

Flood Plain

This land enters tapped.
{T}, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Wall of Swords

Sage's Knowledge

Return target sorcery card from your graveyard to your hand.

Shahrazad

Players play a Magic subgame, using their libraries as their decks. Each player who doesn't win the subgame loses half their life, rounded up.

City of Brass

Whenever this land becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Shivan Gorge

{T}: Add {C}.
{2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Circle of Protection: Green

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

Reclaim

Kismet

Artifacts, creatures, and lands your opponents control enter tapped.

Skyshroud Claim

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Plateau

Underground Sea

Library of Alexandria

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Portent

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.
Draw a card at the beginning of the next turn's upkeep.

Wall of Roots

Defender
Put a -0/-1 counter on this creature: Add {G}. Activate only once each turn.

Island

Scalebane's Elite

Rhox

You may have this creature assign its combat damage as though it weren't blocked.
{2}{G}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Flood

{U}{U}: Tap target creature without flying.

Thalakos Lowlands

{T}: Add {C}.
{T}: Add {W} or {U}. This land doesn't untap during your next untap step.

Déjà Vu

Circle of Protection: Black

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.