Holding cards for coordinated plays later, setting up powerful Songs, knowing when to sacrifice characters to banish an opponent, anticipating the play your opponent is setting up based on their deck composition
Myrkul, Lord of Bones (Check it out here) was built as the leader of a Midrange and Constellation deck that ran a bunch of dorks with ETB abilities for value (like Liliana's Specter and Archon of Cruelty), sacrificed them for value (High Market and Dockside Chef), netted a return as an enchantment to trigger another ETB for it and constellation dorks (like Underworld Coinsmith and Eidolon of Blossoms) and then added in some ramp, answers, card flow, and called it a deck
While its disappointing to see the best Warhammer faction not get its own Commander deck (stupid Marines soaking up the spotlight), fans will no doubt appreciate more cheeky references
Boros continues to get smashing new tech, with Kirol, Attentive First-Year giving us a free Strionic Resonator each turn
When you cast a room, you choose which door you are "unlocking." This is the side of the room that is active upon casting
