(2) factory shrink wrap machine patterns versus hand-applied reseals
Its a lower complexity environment, and aside from a few exceptions, cards can be acquired for cheap
Energy is a very cool mechanic that was so horrifically broken in Standard its been passed over for further support in main-line sets
(2022-04-29) A creature with a shield counter on it may still be destroyed by state-based actions if it has damage marked on it equal to its toughness or has been dealt unpreventable damage by a source with deathtouch
The kicker cost can be anything, from paying extra mana to discarding a card, tapping a creature, or sacrificing lands
You may find that your most beloved deck is the one that tries to assemble an unstoppable combo by turn three, but it could also be the unwieldy pile where you've stuffed in 20 planeswalkers and only use cards that feature silly hats