That format has infinite mana of any type, but is limited to just one spell per turn, barring an alternate cost being paid like Force of Will
Build a goblins deck with Krenko, Mob Boss, or build an army of zombies with Liliana, Heretical Healer
Whenever a player would get priority (see rule 117, Timing and Priority), the game checks for any of the listed conditions for state-based actions, then performs all applicable state-based actions simultaneously as a single event
I love weird restrictions on cards, unique payoffs, and Commanders that don't immediately scream "if you don't have instant speed removal when I enter the battlefield then I win the game." Asmora checks all those boxes AND supports Food Tribal, a pet archetype that I adore
Examine the front and back: Tilt the card under light to identify surface scratches or print lines
Nothing on their side is safe