Omnispell Adept #49
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$0.25
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Card Details
, 
: You may cast an instant or sorcery spell from your hand without paying its mana cost.
“She memorized every arcane text in the Ismeri Library by the time she was sixteen. Now she quizzes sphinxes in her spare time.”
3/4
Illustrated by Jason Rainville
Rulings (3)
Oct 5, 2018
If a spell has 
in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
Oct 5, 2018
If you cast a spell "without paying its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, such as that of Severed Strands, those must be paid to cast the card.
Oct 5, 2018
You may cast a sorcery this way even if it's not your turn.