A standard playing card size guide will explain what the card size is, how it varies across various formats, including bridge size cards, tarot card dimensions, mini cards, jumbo cards, and MTG cards, and how margins, edge radius, and bleed affect the card size
These two are a bit less powerful than their white, blue, and black counterparts, but they'll absolutely see play with Ashling and the backup commander, Mass of MysteriesMass of Mysteries, as well as the aforementioned Horde of Notions
The thing is, many dragons cost 4+ mana, and this card will sometimes sit on the battlefield without doing anything for a couple of turns
Grade only pristine copies as centering on these frequently fails the 60/40 threshold, so strict pre-screening is required