Even if you're only looking at Commander, this allows you to put a Sol Ring directly into play, but that's probably the tamest thing you can do with this thing
Ramp You can build ramp decks in various ways, like relying on mana rocks or ramp spells
That exchange is almost always worth it if the creature being removed was about to take over the game
When this artifact is put into a graveyard from the battlefield, draw a card
Artist takuyoa followed in Mega Gardevoir ex's footsteps by not just depicting Mega Charizard in all its glory, but showing the entire evolution line, starting with Charmander, jumping to Charmeleon, and then the Charizard we all know and love
The entirety of Favor, told from the point of view of Hazoret