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Collective Nightmare

First printed in March of the Machine (2023)

Collective Nightmare

Instant

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 generic or one mana of that creature's color.)
Target creature gets -3/-3 until end of turn.

Night fell all at once. Specifically, on the Phyrexian.

Illustrated by
Rovina Cai

Legality

Rulings (6)

  • Tapping an untapped creature that's attacking or blocking to convoke a spell won't cause that creature to stop attacking or blocking.
  • You can tap any untapped creature you control to convoke a spell, even one you haven't controlled continuously since the beginning of your most recent turn.
  • If a creature you control has a mana ability with tap in the cost, activating that ability while casting a spell with convoke will result in the creature being tapped before you pay the spell's costs. You won't be able to tap it again for convoke. Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for convoke.
  • When calculating a spell's total cost, include any alternative costs, additional costs, or anything else that increases or reduces the cost to cast the spell. Convoke applies after the total cost is calculated. Convoke doesn't change a spell's mana cost or mana value.
  • Tapping a multicolored creature using convoke will pay for 1 generic or one mana of your choice of any of that creature's colors.
  • Because convoke isn't an alternative cost, it can be used in conjunction with alternative costs.

Prices

Paper price: €0.11 / $0.18 , the cheapest non-foil print (Cardmarket and TCGplayer through MTGJSON, 4 Nov 2026).

MTGO price: 0.003 TIX, the cheapest non-foil print (average sell price on GoatBots, 4 Nov 2026).

Limited On MTG Arena

Win rates in Arena drafts and sealed, retrieved from 17Lands (CC BY 4.0).

Win rates of Collective Nightmare in Limited
Set GIH WR vs set IWD Games
March of the Machine (MOM), Premier Draft 57.7% +2.9 +4.6 78041
March of the Machine (MOM), Sealed 57.2% +1.8 +1.6 4412
GIH WR
win rate of the games in which the card was in the opening hand or drawn
vs set
points above or below the average win rate of all decks in the set
IWD
improvement when drawn: GIH WR minus the win rate when the card stayed in the library
Games
games in which the card was seen