A few candidates jump to mind almost immediately, namely Cosmic Larva and Phyrexian Soulgorger
Disney Lorcana: The Best Action Cards This version of the deck focuses on heavy board control , giving you time to ramp into Mufasa, Tinker Bell, Triton, and Simba
The enters-the-battlefield ability is also great at helping filter away lands in the late-game to mitigate flood, and can also allow you to cycle away cards that are poor in the matchup in Game 1s, like Thalia, Guardian of Thraben in the mirror match or Reflector Mages against other control decks
Sapphire/Steel Allies Midrange : Ramp early, develop cheap Allies
This Eldrazi behemoth was one of the better options when building a colorless deck at this time
Which are the top 10 best card to side in against this aggressive artifact deck