2 cards where the name includes “imperiosaur”

Ancient Imperiosaur (March of the Machine #174)

Ancient Imperiosaur {5}{G}{G}

Creature — Dinosaur

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature’s color.)

Trample, ward {2}

Ancient Imperiosaur enters the battlefield with two +1/+1 counters on it for each creature that convoked it.

6/6

Illustrated by Piotr Foksowicz

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Imperiosaur (Time Spiral Remastered #211)

Imperiosaur {2}{G}{G}

Creature — Dinosaur

Spend only mana produced by basic lands to cast this spell.

“An ancient, powerful force has overtaken the valley. I sympathize for its former inhabitants, but I rejoice for the land itself.”
—Olanti, Muraganda druid

5/5

Illustrated by Lars Grant-West

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

It is the moment of discovery, the triumph of the mind, and the end of these results.