Mox Diamond

If this artifact would enter, you may discard a land card instead. If you do, put this artifact onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add one mana of any color.

Disenchant

Seal of Cleansing

Sacrifice this enchantment: Destroy target artifact or enchantment.

Undiscovered Paradise

{T}: Add one mana of any color. During your next untap step, as you untap your permanents, return this land to its owner's hand.

Island

Gemstone Mine

This land enters with three mining counters on it.
{T}, Remove a mining counter from this land: Add one mana of any color. If there are no mining counters on this land, sacrifice it.

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Meddling Mage

As this creature enters, choose a nonland card name.
Spells with the chosen name can't be cast.

Daze

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.
Counter target spell unless its controller pays {1}.

Gush

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Draw two cards.

City of Brass

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

Muscle Sliver

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Crystalline Sliver

All Slivers have shroud. (They can't be the targets of spells or abilities.)

Foil

You may discard an Island card and another card rather than pay this spell's mana cost.
Counter target spell.

Winged Sliver

Root Sliver

This spell can't be countered.
Sliver spells can't be countered.

Tormod's Crypt

{T}, Sacrifice this artifact: Exile target player's graveyard.

Mana Leak

Counter target spell unless its controller pays {3}.

Swords to Plowshares

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

Quick Sliver

Flash
Any player may cast Sliver spells as though they had flash.