All the extra turn spells say, At the beginning of that turns end step, you lose the game. No worries, though
But instead of drawing cards, players can venture deeper into a new dungeon known as the Undercity on their upkeep each turn when they have initiative
Pair it with recursion cards like Unearth or Kolaghan's Command to ensure you can repeatedly snipe lands and keep your opponents stuck
turning random cards into Treasure or rogues is useful long-term, plus Commander decks tend to have some extra mana around after ramping all game
Enlightened Tutor quietly turns artifact and enchantment decks from hope I draw it into Ill just go get it. Ive cast this at the end step before my turn to line up a Smothering Tithe , a Rhystic Study , or a key artifact my deck revolves around
Now it's clear that the Support keyword, well, supports other characters