Mox Emerald

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Recall

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

Sol Ring

Book of Rass

Amnesia

Target player reveals their hand and discards all nonland cards.

Tropical Island

Demonic Tutor

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

Red Elemental Blast

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

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Wrath of God

Destroy all creatures. They can't be regenerated.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Mind Twist

Target player discards X cards at random.

Disenchant

City of Brass

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

Serra Angel

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

Time Walk

Dust to Dust

Braingeyser

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Circle of Protection: Red

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

Island

Mox Jet

Force Spike

Counter target spell unless its controller pays {1}.

Feldon's Cane

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

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.

Mana Short

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

Swamp

Blue Elemental Blast

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

Mox Sapphire

Disrupting Scepter

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

Scrubland

Swords to Plowshares

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

Strip Mine

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

Regrowth

Return target card from your graveyard to your hand.