Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.
{T}: Add one mana of any of the exiled card's colors.
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Gaea's Cradle
Legendary Land
{T}: Add {G} for each creature you control.
{U}{B}{B}{R}
Gwendlyn Di Corci
Legendary Creature - Human Rogue
{T}: Target player discards a card at random. Activate only during your turn.
3 /
5
{0}
Mana Crypt
Artifact
At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.
{0}
Mox Diamond
Artifact
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.
{W}{U}{B}{R}{G}
Sliver Queen
Legendary Creature - Sliver
{2}: Create a 1/1 colorless Sliver creature token.
7 /
7
{2}{U}
Timetwister
Sorcery
Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)