Printings
Eidolon of the Great Revel
Card Information
Type: Enchantment Creature — Spirit
Mana Cost: 
CMC: 2
Part of the Reserved List: No
Color Identity:
Set: Masters 25 (A25)
Rarity: Rare
Collector Number: 128
Oracle Text
Whenever a player casts a spell with mana value 3 or less, this creature deals 2 damage to that player.
Format Legalities
Card Rulings
- March 16, 2018
Casting Eidolon of the Great Revel doesn't cause its own ability to trigger. It must be on the battlefield when the spell is cast for its ability to trigger.
Source: wotc - March 16, 2018
The amount of mana spent to cast a spell doesn't change its mana value. For example, a card cast with its morph ability has a mana value of 0 even though {3} was paid.
Source: wotc - March 16, 2018
The mana value of a spell with {X} in its mana cost includes the value chosen for X.
Source: wotc
Price History
To study a single card is to glimpse the heart of a spell - a frozen moment of ambition, artistry, and arcane intent. Within each glyph lies a spark: a story untold, a duel turned, a destiny altered. Treat it not as mere parchment, dear seeker, but as a shard of the Multiverse itself.