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From $41.25
'Flying
Whenever you cast a spell, add {R} and put a +1/+1 counter on The Vision and Scarlet Witch.
From $13.75
Calm - Spell
[Reaction] (Play any time, even before spells and abilities resolve.)
Give a unit +2 {M} this turn and another unit -2 {M} this turn.
From $60.25
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
From $84.00
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
From $62.00
'Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.
From $7.50
'Whenever you cast a creature spell, draw a card.
From $4.75
Fury - Spell
[Reaction] (Play any time, even before spells and abilities resolve.)
Banish a friendly unit, then its owner plays it to any battlefield, ignoring its cost.
From $8.50
'If this card is in your opening hand, you may begin the game with it on the battlefield.
Creature spells can't be countered.
From $18.00
'This artifact enters with X charge counters on it. Whenever a player casts a spell with mana value equal to the number of charge counters on this artifact, counter that...
From $17.75
'If you control a commander, you may cast this spell without paying its mana cost.
Creatures you control gain indestructible until end of turn.
From $2.50
'Copy target instant or sorcery spell. You may choose new targets for the copy.