Change the Equation
Instant
Card text
Choose one —
• Counter target spell with mana value 2 or less.
• Counter target red or green spell with mana value 6 or less.
"It's not your fault. Strixhaven taught you an imperfect premise. Okay, the imperfect execution was your fault."
Showing March of the Machine#50
Price
0.31 $
Foil 0.32 $
8 printings
Daily estimate from Scryfall, not a shop quote.
Change the Equation rulings
If a spell has
in its mana cost, use the value chosen for X when calculating that spell’s mana value.
Change the Equation format legality
Constructed
- StandardNot legal
- PioneerLegal
- ModernLegal
- Future StandardNot legal
Eternal
- LegacyLegal
- VintageLegal
- PauperNot legal
- PremodernNot legal
- Old SchoolNot legal
- Penny DreadfulNot legal
Commander
- CommanderLegal
- OathbreakerLegal
- Pauper CommanderNot legal
- Duel CommanderLegal
- PreDHNot legal
Arena & online
- HistoricLegal
- TimelessLegal
- AlchemyNot legal
- GladiatorLegal
- BrawlLegal
- Standard BrawlNot legal
- Competitive BrawlLegal
Other
- TLRLegal
All printings of Change the Equation 8
Cards similar to Change the Equation
RemandInstant
CounterspellInstant
Bring the EndingInstant
Horribly AwryInstant
Disdainful StrokeInstant
Logic KnotInstant
Essence ScatterInstant
Mana DrainInstant
Second GuessInstant
Arcane DenialInstant
Show 18 more similar cards
Scent of BrineInstant
Memory LapseInstant
QuenchInstant
Mana LeakInstant
Remove SoulInstant
Disruption ProtocolInstant
SquelchInstant
Corrupted ResolveInstant
Silumgar's ScornInstant
ProhibitInstant
Psychic BarrierInstant
Hypnotic Sprite // Mesmeric Glare // 
Creature — Faerie // Instant — Adventure
Unified WillInstant
Jwari Disruption // Jwari RuinsInstant // Land
Scatter RayInstant
Dispelling ExhaleInstant
Lose FocusInstant
Grip of AmnesiaInstant