Cosmic Cube

Marvel Super Heroes #245

Type: Artifact

Mana cost: {5}

Card text: Ward {2} Whenever you attack, look at the top six cards of your library. You may cast a spell from among them with mana value less than or equal to the greatest power among attacking creatures you control without paying its mana cost. Put the rest on the bottom of your library in a random order.

Rarity: mythic

Artist: Justyna Dura

Released: June 26, 2026

Prices

$11.26 USD · $15.12 USD (Foil) · €6.07 EUR

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Format Legality

Format	Legality
Standard	✓ Legal
Pioneer	✓ Legal
Modern	✓ Legal
Legacy	✓ Legal
Commander	✓ Legal
Vintage	✓ Legal
Pauper	✗ Not Legal
Oathbreaker	✓ Legal

Draft & Sealed Synergies

Best cards to pair with Cosmic Cube in Marvel Super Heroes limited

common

Borough Backup

Sorcery

Creates two 3/2 tokens that enable attacking with power 3+, allowing Cosmic Cube to cast 3+ mana value spells for free.

Wakandan Royal Guard

Creature — Human Soldier Hero

Puts +1/+1 counters on creatures to increase their power, making it easier to hit higher power thresholds for Cosmic Cube's free spells.

Pet Avengers

Creature — Dragon Cat Dog Bird Frog Hero

Has reach and can grow with power-up, providing a solid attacker that enables Cosmic Cube to cast increasingly expensive spells.

uncommon

Okoye, Dora Milaje Leader

Legendary Creature — Human Warrior Hero

Creates two tokens and gives them first strike when attacking, enabling Cosmic Cube triggers while building a strong attacking force.

mythic

Thor, God of Thunder

Legendary Creature — God Warrior Hero

Flying attacker that deals damage based on spell mana value, creating a powerful loop where Cosmic Cube casts free spells that Thor converts into damage.

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