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

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

All Sliver creatures get +1/+1.

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

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}.

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

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

Counter target spell unless its controller pays {3}.

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

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

({T}: Add {U}.)

Destroy target artifact or enchantment.

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

As Meddling Mage enters the battlefield, choose a nonland card name. Spells with the chosen name can't be cast.

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

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.