you know, the honorable way to do combat
Assert Authority Blinkmoth Infusion Broodstar Chiss-Goria, Forge Tyrant Chromescale Drake Demonic Junker Don & Raph, Hard Science Emry, Lurker of the Loch Ethersworn Sphinx Frogmite Frogmyr Enforcer Furnace Dragon Furnace Hellkite Gearseeker Serpent Icebreaker Kraken Imskir Iron-Eater Into Thin Air Krang, Master Mind Lens Flare Memory Guardian Mycosynth Golem Myr Enforcer Panther Robot Plated Onslaught Quicksilver Behemoth Qumulox Reality Heist Refurbished Familiar Saheeli, the Gifted Sami, Wildcat Captain Scale of Chiss-Goria Slag Strider Sojourner's Companion Somber Hoverguard Steelfin Whale Tezzeret, Master of the Bridge Thought Monitor Thoughtcast Tooth of Chiss-Goria Utrom Monitor Valkyrie Aerial Unit Voyage Home
Both of these leave players open for their opponent to attack their life points directly which works against them to win a game
Intellectual Offering, Blue Sun's Zenith and other card draw spells might be a good fit but you aren't going to do better than Teferi's Puzzle Box
The deck features Atraxa as a dominant commander that fuels the toxic/infect/poison counter strategy
While Ovika is fairly expensive, sitting at a hefty seven mana, the return on your investment quickly adds up