You could leave in both of these instead, especially Embrace the Unknown, as it is a new card, but I like the opportunities the other two give
(It's an artifact with " , , Sacrifice this token: You gain 3 life.") At the beginning of your end step, if you gained life this turn, draw a card
(It is every creature type.) Enchantment Color tag templates(None) Burgeoning Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield
This person had started in Alpha
Making some simple decisions like River's Rebuke instead of Cyclonic Rift saves you some serious money in your build
If multiple creatures deal combat damage to you or an opponent at the same time, the appropriate ability of Strixhaven Stadium will trigger that many times