Seifer, Balamb Rival is tricky deathtouch enabler that effectively discourages double blocks, but does a great job of turning opposing creatures to your opponents
If cast after turn two, they also have a net cost of just one mana
Bruvac the Grandiloquent Bruvac the Grandiloquent is here to make all of your other mill cards even better
The copied artifact stays in play, even if the original goes to the graveyard, which means a player can use it to get some pretty powerful artifacts on their side and gain the upper hand against more seasoned players with stronger decks
Learning to leverage bounce spells is an important step in becoming a better Magic player
The one thing I will note: you want to be playing around 27 lands with eight cycling duals, which limits you to Grixis or Esper instead of the traditional Temur or Jeskai