Mechanics such as Disguise (face-down creatures with ward), Collect Evidence (graveyard tension), and Case enchantments make each game interactive, while the return of Investigate and Cloak brings back classic detective intrigue
Goblin Matron If theres a broken goblin combo deck, Goblin Matron is tutoring up the combo piece whether thats as simple as grabbing Muxus, Goblin Grandee, goblin tribal spells like Tarfire, or enchantments like Boggart Shenanigans
Umbra armor's effect is applied no matter why the enchanted creature would be destroyed: because it's been dealt lethal damage, or because it's being affected by an effect that says to "destroy" it (such as Breathe Your Last)
Ideally, things will plateau before too long
Besides the actual basic lands (Plains, Island, Swamp, Mountain, Forest), a number of cycles of dual lands also have basic land types, which allows you to pull them from your library to fix your mana base instantly
Phew, we've done it