Magic: The Gathering

Siege Mastodon

Core Set 2020 312 • common

Set: Core Set 2020
Collector number: 312
Rarity: Common
Mana cost: 4 generic mana white mana
Type: Creature
Colors: White
Artist: Matt Cavotta
Market price: $0.25

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4other printings of this card

Market

What it's worth

$0.25market price via TCGplayer · Aug 19, 2026$0.25 – $0.40 over the tracked period

Estimate for a typical copy of Siege Mastodon; condition, printing, and grading move the real number.

Lore

Why it matters

This creature card serves as a foundational piece for any collection, representing the common rarity tier that forms the backbone of a balanced game. Its inclusion in this specific set offers a glimpse into the broader visual language of the collection, brought to life through the distinct artistic style of Matt Cavotta.

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Card face

What it does

"The walls of the wicked will fall before us. Ready the siege engines. We proceed to war!"— General Avitora

Formats

Where you can play it

StandardNot legal
PioneerLegal
ModernLegal
LegacyLegal
VintageLegal
CommanderLegal
PauperLegal
BrawlLegal
HistoricLegal
TimelessLegal
Penny DreadfulLegal
OathbreakerLegal

Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC. Card text via Scryfall. Not approved or endorsed by Wizards. As of the last catalogue refresh.

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Where to find one

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Provenance

Where it came from

Siege Mastodon was released in 2019 as part of the Core Set 2020 for the Magic: The Gathering trading card game. It was designed to function as a foundational common creature within the set's limited environment, providing a reliable defensive presence for white-aligned decks. As a core set card, its mechanical design focused on accessibility and straightforward gameplay, typical of the era's approach to onboarding new players to the game's evolving mechanics.

The artwork was commissioned from Matt Cavotta, a veteran illustrator and long-time contributor to the Magic: The Gathering visual identity. Cavotta's illustration captures the imposing, armored nature of the beast, utilizing a bold style that reflects the creature's role as a sturdy blocker. Within the competitive community, the card was received as a functional, if modest, inclusion, praised primarily for its clarity of purpose and stylistic consistency with the broader aesthetic of the set.

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Other printings

Every version of this card

The same card, printed again — different sets, treatments, and prices.

Collectors

Who's collecting this

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About

About Siege Mastodon

Siege Mastodon is a card in the Magic: The Gathering catalog on collecto.rs. Core Set 2020 312 • common. Catalog data is sourced from Scryfall. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.

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Where does the Siege Mastodon catalog entry come from?

The catalog entry for Siege Mastodon is sourced from Scryfall. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.