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Mnemonic Sphere
Artifact
{1}{U}, Sacrifice this artifact: Draw two cards. Channel — {U}, Discard this card: Draw a card.
Mana cost
1
U
Mana value
2
Printings
2
From
$0.16
EDHREC rank
#11821
Buy
TCGplayer
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Formats
Pioneer
Legal
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Pauper
Legal
Rulings
18 Feb 2022
If a channel ability requires a target, you may not activate it without a target just to discard the card.
18 Feb 2022
Discarding the card is part of the cost to activate a channel ability.
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