Kaladesh Inventions — Special
Legendary Artifact
Mox Opal rulings:
2020-08-07: If you control Mox Opal and one other artifact, then have a second Mox Opal enter the battlefield as your third artifact, you can't activate either one's mana ability before putting one into your graveyard due to the “legend rule.”
Legendary Artifact
: Add one mana of any color.
: Add three mana of any one color. Activate only if you control three or more lands with the same name.
Land
: Add .
: Add one mana of any color. Spend this mana only to cast a Sliver spell.
, : Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.
Land
: Add .
, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.
Artifact
, Collect evidence 3: Add one mana of any color. Put an unlock counter on Cryptex. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)
Sacrifice Cryptex: Surveil 3, then draw three cards. Activate only if Cryptex has five or more unlock counters on it.
Legendary Creature — Dragon (5/4)
Flying
Gadrak, the Crown-Scourge can't attack unless you control four or more artifacts.
At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")
Artifact
Glistening Sphere enters tapped.
When Glistening Sphere enters, proliferate.
: Add one mana of any color.
Corrupted — : Add three mana of any one color. Activate only if an opponent has three or more poison counters.
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