Be polite (a handshake or fist bump is standard), call a judge for any rules disputes, and remember you can appeal penalties to the head judge
Two packs can be opened every day for free
Hitting the chaos side of the planar die gives you a free removal spell, hitting not only a problematic creature but also every other creature with the same name as it
In a nutshell, MTG Arena Ranked Matches is a mode used for matchmaking, qualifying for special events, and setting rewards at the end of each season
Its an odd list of abilities, but you can fill your deck with things that tap and untap creatures to have complete control over what your creatures are doing at any given time
In some cases, The Pokmon Company has coordinated near-simultaneous launches for major expansions, especially anniversary-themed products