Reverse Polarity

You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.

Wall of Earth

Forest

Holy Armor

Enchant creature
Enchanted creature gets +0/+2.
{W}: Enchanted creature gets +0/+1 until end of turn.

Ice Storm

Mountain

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Instill Energy

Enchant creature
Enchanted creature can attack as though it had haste.
{0}: Untap enchanted creature. Activate only during your turn and only once each turn.

Piety

Blocking creatures get +0/+3 until end of turn.

Clay Statue

Seeker

Enchant creature
Enchanted creature can't be blocked except by artifact creatures and/or white creatures.

Glyph of Life

Choose target Wall creature. Whenever that creature is dealt damage by an attacking creature this turn, you gain that much life.

Immolation

Enchant creature
Enchanted creature gets +2/-2.

Tsunami

Scryb Sprites

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

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.

Wall of Caltrops

Defender (This creature can't attack.)
Whenever Wall of Caltrops blocks a creature, if at least one other Wall creature is blocking that creature and no non-Wall creatures are blocking that creature, Wall of Caltrops gains banding until end of turn. (If any creatures with banding you control are blocking a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by.)

Sir Shandlar of Eberyn

Divine Offering

Destroy target artifact. You gain life equal to its mana value.

Samite Healer

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

Prevent all combat damage that would be dealt this turn.

Marhault Elsdragon

Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

D'Avenant Archer

{T}: D'Avenant Archer deals 1 damage to target attacking or blocking creature.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Argivian Blacksmith

{T}: Prevent the next 2 damage that would be dealt to target artifact creature this turn.

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.

Disenchant

Great Defender

Target creature gets +0/+X until end of turn, where X is its mana value.

Active Volcano

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Glyph of Reincarnation

Cast this spell only after combat.
Destroy all creatures that were blocked by target Wall this turn. They can't be regenerated. For each creature that died this way, put a creature card from the graveyard of the player who controlled that creature the last time it became blocked by that Wall onto the battlefield under its owner's control.

Plains

Battering Ram

At the beginning of combat on your turn, Battering Ram gains banding until end of combat. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)
Whenever Battering Ram becomes blocked by a Wall, destroy that Wall at end of combat.

Dancing Scimitar

Flying (This creature can't be blocked except by creatures with flying or reach.)

Remove Enchantments

Return to your hand all enchantments you both own and control, all Auras you own attached to permanents you control, and all Auras you own attached to attacking creatures your opponents control. Then destroy all other enchantments you control, all other Auras attached to permanents you control, and all other Auras attached to attacking creatures your opponents control.

Wall of Heat

Nafs Asp

Whenever Nafs Asp deals damage to a player, that player loses 1 life at the beginning of their next draw step unless they pay {1} before that draw step.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Grizzly Bears

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.