On several occasions, eBay/Mercari representatives have scrutinized chat history when making a ruling, and anything you can do to tip the scales in your favor is a no-brainer
Each card builds on the previous cards that players are playing with, slowly expanding the game in a way that is both fun and manageable
On top of that, Aurora, Dreaming Guardians three strength and five willpower pair with its two lore to make it a solid card by itself, able to likely withstand a few attacks in the early game - especially given that having Shift 3, allowing you to bring it out on top of another Aurora card for a lower ink cost, means you can have it on the field very early on
These sleeves are typically used for valuable and rare cards
Then the three-drop Selesnya Knight 2/2 size taps for no mana to sac a Forest or Plains and then ramps any land tapped
With only 39 copies originally printed, and only 10 thought to still be in existence, it is considered by many to be one of the rarest cards in the world