Power Artifact

Enchant artifact
Enchanted artifact's activated abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Boomerang

Return target permanent to its owner's hand.

Nevinyrral's Disk

Nevinyrral's Disk enters the battlefield tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Llanowar Elves

Feldon's Cane

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

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.

Devouring Deep

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Disenchant

Strip Mine

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

Timetwister

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

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.

Ichneumon Druid

Whenever an opponent casts an instant spell other than the first instant spell that player casts each turn, Ichneumon Druid deals 4 damage to that player.

Desert Twister

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Craw Giant

Trample
Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Ragnar

{G}{W}{U}, {T}: Regenerate target creature.

The Tabernacle at Pendrell Vale

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}."

Untamed Wilds

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

Tranquility

Siren's Call

Cast this spell only during an opponent's turn, before attackers are declared.
Creatures the active player controls attack this turn if able.
At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.

Citanul Druid

Whenever an opponent casts an artifact spell, put a +1/+1 counter on Citanul Druid.

Tundra

Basalt Monolith

Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.

Gaea's Avenger

Gaea's Avenger's power and toughness are each equal to 1 plus the number of artifacts your opponents control.

Copy Artifact

You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Avoid Fate

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

Animate Artifact

Enchant artifact
As long as enchanted artifact isn't a creature, it's an artifact creature with power and toughness each equal to its mana value.

Urza's Mine

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Ivory Guardians

Protection from red
Creatures named Ivory Guardians get +1/+1 as long as an opponent controls a nontoken red permanent.

Prevent all combat damage that would be dealt this turn.

Disrupting Scepter

{3}, {T}: Target player discards a card. Activate only during your turn.

Clone

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

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.

Eye for an Eye

The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.

Cat Warriors

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Crumble

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

Killer Bees

Flying
{G}: Killer Bees gets +1/+1 until end of turn.

Candelabra of Tawnos

Sage of Lat-Nam

Elven Riders

Elven Riders can't be blocked except by Walls and/or creatures with flying.

Whirling Dervish

Protection from black
At the beginning of each end step, if Whirling Dervish dealt damage to an opponent this turn, put a +1/+1 counter on it.

City of Brass

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

Angus Mackenzie

{G}{W}{U}, {T}: Prevent all combat damage that would be dealt this turn. Activate only before the combat damage step.

Counterspell

Plains

Mana Vault

Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Su-Chi

Remove Soul

Thunder Spirit

Tropical Island

Unsummon

Return target creature to its owner's hand.

Shanodin Dryads

Righteous Avengers

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)

Urza's Power Plant

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Reconstruction

Return target artifact card from your graveyard to your hand.

Lure

Enchant creature
All creatures able to block enchanted creature do so.

Repentant Blacksmith

Regrowth

Return target card from your graveyard to your hand.

Savannah

Forest

Metamorphosis

As an additional cost to cast this spell, sacrifice a creature.
Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Erhnam Djinn

At the beginning of your upkeep, target non-Wall creature an opponent controls gains forestwalk until your next upkeep. (It can't be blocked as long as defending player controls a Forest.)

Flash Counter

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.

Urza's Tower

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

Island

Clergy of the Holy Nimbus

If Clergy of the Holy Nimbus would be destroyed, regenerate it.
{1}: Clergy of the Holy Nimbus can't be regenerated this turn. Only your opponents may activate this ability.

Swords to Plowshares

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

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Braingeyser

Sol Ring

Howling Mine

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

Birds of Paradise

Recall

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.