3 cards where the name includes “unsummon”

Command of Unsummoning (Portal #48)

Command of Unsummoning {2}{U}

Instant

Cast this spell only during the declare attackers step and only if you’ve been attacked this step.

Return one or two target attacking creatures to their owner’s hand.

Illustrated by Phil Foglio

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Symbol of Unsummoning (Masters Edition IV #65)

Symbol of Unsummoning {2}{U}

Sorcery

Return target creature to its owner’s hand.

Draw a card.

“… inviting the soul to wander for a spell in abysses of solitude … .”
—Kate Chopin, The Awakening

Illustrated by Adam Rex

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Unsummon (Core Set 2020 #78)

Unsummon {U}

Instant

Return target creature to its owner’s hand.

“Don’t you have somewhere else to be?”
—Sharuum the Hegemon

Illustrated by Izzy

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny

Though this query has ended, its relics still slumber in New Argive.