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Avengers Monitoring Station{3}
Card name

Herald's Horn

Artifact

MSCMarvel Super Heroes Commander#287uncommon
Surge Foil
Finishes
Nonfoil · Foil
Border
black
Frame
2015
Pull rate
about 1 per booster
Illustrator
Pablo Mendoza
Found in
Marvel Super Heroes Commander Deck Avengers Assemble · Marvel Super Heroes Commander Deck Avengers Assemble Collector's Edition
Printings15Combos51EDHREC rank#149
CommanderLegalModernNot legalStandardNot legal
Format legality

Constructed

StandardNot legal
PioneerNot legal
ModernNot legal
LegacyLegal
VintageLegal
PauperNot legal

Commander

CommanderLegal
Pauper CommanderNot legal
Duel CommanderLegal
PreDHNot legal
OathbreakerLegal
Tiny LeadersLegal

Arena

AlchemyNot legal
HistoricLegal
TimelessLegal
BrawlLegal
Standard BrawlNot legal
Competitive BrawlLegal
GladiatorLegal

Other

PremodernNot legal
Old SchoolNot legal
Penny DreadfulNot legal
Future StandardNot legal
As this artifact enters, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.
Plays as:
Cost ReducerTribal Payoff
Market · per finishspark updated 3h ago · prices as of 2026-08-30
Nonfoil+16.8%
$1.81
$1.42 low-$0.63 gapTCGplayer
Foil
$4.49 low$2.46 gapTCGplayer
Cheapest playable copy$1.81· across 15 printings· you're viewing it

Rulings

6 · latest Aug 25, 2017
  • WotCAug 25, 2017

    If you don't put the top card of your library into your hand, you put it back on top of your library without revealing it. You'll draw it in that turn's draw step.

  • WotCAug 25, 2017

    If you somehow control a Herald's Horn with no chosen creature type, no spells will cost less to cast, not even creature spells with no creature type. You'll be able to look at the top card of your library at the beginning of each of your upkeeps, but you can never put it into your hand this way, even if it's a creature card with no creature type.

  • WotCAug 25, 2017

    The effect of Herald's Horn reduces only generic mana in a spell's cost. If that cost has no generic mana, the cost isn't reduced.

  • WotCAug 25, 2017

    To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.

  • WotCAug 25, 2017

    You can't choose multiple creature types, such as "Cat Warrior." A Cat Warrior is both a Cat and a Warrior. It's affected by anything that affects either type and unaffected by things that affect non-Cat or non-Warrior creatures.

  • WotCAug 25, 2017

    You must choose an existing creature type, such as Vampire or Cat. Card types such as "artifact" can't be chosen.