Delvefall
The Key to the Vault

The Key to the Vault {1}{U}

Legendary Artifact — Equipment

Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library. You may exile a nonland card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost.
Equip {2}{U}

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color identity, fits-within like deckbuilding: tick W and U and only white, blue, white-blue and colorless cards show. in the filter box: id:wu (or -id:rg to ban colors), or id:c for colorless only

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only legendary creatures, the cards that can lead a commander deck

hides cards on the official game changer list, for lower-powered brackets

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Cards that do something similar expected a card that isn't here?

Falcon's Wing Harness
Falcon's Wing Harness 100%
$0.21#21030
"Equip {2}{U}"