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Back to Mystery Booster Playtest Cards 2021

Priority Avenger

{3}{W}

Creature — Bird Wizard

CMB2Mystery Booster Playtest Cards 2021#9rare
Border
black
Frame
2015
Pull rate
~1 in 121
Illustrator
Chris Haukap
Found in
Mystery Booster Booster Pack (Convention Edition - 2021)
Printings2
CommanderNot legalModernNot legalStandardNot legal
Format legality
AlchemyNot legal
BrawlNot legal
CommanderNot legal
Competitive BrawlNot legal
DuelNot legal
Future StandardNot legal
GladiatorNot legal
HistoricNot legal
LegacyNot legal
ModernNot legal
OathbreakerNot legal
Old SchoolNot legal
PauperNot legal
Pauper CommanderNot legal
PennyNot legal
PioneerNot legal
PreDHNot legal
PremodernNot legal
StandardNot legal
Standard BrawlNot legal
TimelessNot legal
Tiny LeadersNot legal
VintageNot legal
Flying Players can't cast instant spells unless a spell or ability is on the stack.
3/4
Flying
Market · per finishspark updated 2h ago · prices as of 2026-07-12
Nonfoil+0.0%
$0.20
$0.14 low$0.13 gap
Cheapest playable copy$0.20· across 2 printings

Rulings

2 · latest Nov 12, 2019 · one tap opens all
  • WotCNov 12, 2019

    Among abilities, only activated and triggered abilities use the stack. Activated abilities are written in the form “[Cost]: [Effect].” Triggered abilities use the word “when,” “whenever,” or “at.” They’re often written as “[Trigger condition], [effect].” Some keyword abilities are activated abilities and will have colons in their reminder texts, and some keyword abilities are triggered abilities and will have “when,” “whenever,” or “at” in their reminder texts.

  • WotCNov 12, 2019

    Non-instant spells with flash may still be cast any time a player has priority, regardless of what’s on the stack. The same is true of activating abilities.

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