Traditionally, cards that cost two mana, have a 2/2 statline, and have little-to-no relevant rules text are called "bears." That name is in honor of Grizzly Bears, an Alpha creature that was a 1G 2/2 with no additional abilities
Still to come: the 30th Celebration set (September 16) and Delta Reign (ME06, reportedly November 6), plus the First Partner Illustration Collection
Because Take Inventory is still on the stack as its resolving, that spell card isnt in your graveyard and wont affect the number of cards you draw
You can buff your creatures or simply add more every single time you attack
Use Greninja to probe the board early, then bring in Mega Absol ex when disruption creates an opening
You don't choose a target for Eden, Seat of the Sanctum's last ability at the time you activate it