The way Jetmir works is that once you hit various creature count thresholds you unlock a new ability
Like many catch-up cards, however, Keeper of the Accords effectiveness directly scales with how many opponents are ahead of you, and can be an absolutely dead card if youre already winning
(To export to PNG, inkscape is recommended for proper SVG export
If an effect instructs that player to choose a card from outside the game, you can't have that player choose any card.
What makes this whole thing really absurd though, is that you when you cast an Equipment spell like that, it gains When this Equipment enters the battlefield, attach it to target creature you control. That means that all you have to do is cast an Equipment from the top of your deck, and suddenly youve bolstered your attack and defence substantially
Introducing Arena Anthologies By Jay Parker Initially, we aimed Anthology releases at specific formats, like Historic or Explorer