Underdark Beholder’s second ability isn’t a damage prevention effect. It can replace damage that can’t be prevented.
Underdark Beholder
If Underdark Beholder leaves the battlefield while its last ability is on the stack, use the number of eyestalk counters it had before it left to determine what converted mana cost to look for.
If a spell has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
Last observed on Scryfall 2 months ago at $0.30. Over the trailing 90 days the price moved between $0.28 and $4.08 across 57 observations. Cross-checked across TCGplayer, eBay sold, Cardmarket EU, and Star City.
This printing is one of 2 catalogued treatments from CMB2 — the lineup includes Nonfoil alongside the standard finish. Across our catalog the Rarix library tracks every variant in the same family so collectors can compare price, scarcity and demand inside a single lineage.
Card #49 of *Mystery Booster Playtest Cards 2021*, the set that shipped alongside the August 2021 Mystery Booster Playtest Cards 2021 release.
Card type: Creature — Beholder, color identity black, printed at rare. Rares occupy the bottom-of-pack rare slot in standard boosters. Mana cost: {4}{B}{B} (6 converted). Keyword abilities: Convert.
Illustrated by Chris Tulach. Rarix catalogs 1 other card credited to this artist.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Chris Tulach
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.





















