Prevent all combat damage that would be dealt this turn.

Ivory Tower

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Holy Day

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Disenchant

Festival

Cast this spell only during an opponent's upkeep.
Creatures can't attack this turn.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Plains

Arboria

Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn.

Skull of Orm

{5}, {T}: Return target enchantment card from your graveyard to your hand.

Island Sanctuary

If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.

Powerleech

Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without {T} in its activation cost, you gain 1 life.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Circle of Protection: Red

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

Sylvan Library

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Regrowth

Return target card from your graveyard to your hand.

Sol Ring

The Hive

{5}, {T}: Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

Avoid Fate

Counter target instant or Aura spell that targets a permanent you control.

Tormod's Crypt

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

Feldon's Cane

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

Serra Angel

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

Wrath of God

Destroy all creatures. They can't be regenerated.

Dust to Dust

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.