mtg cards like solemn simulacrum [#161] (BRC-R) you may draw a card. Solemn Simulacrum (Card) | EDHREC

Perhaps the most interesting card in the preview is Vault 21: House Gambit

Minds Dilation Mind's Dilation is another generally powerful card that has just enough chaos to it to make this list

Izzet Prowess (21.1% of the Winner's Metagame) 7 Island 4 Riverpyre Verge 4 Spirebluff Canal 4 Steam Vents 4 Burst Lightning 4 Flow State 4 Opt 4 Sleight of Hand 4 Boomerang Basics 4 Stormchaser's Talent 4 Slickshot Show-Off 3 Eddymurk Crab 2 Multiversal Passage 2 Spell Pierce 1 Vibrant Outburst 2 Colorstorm Stallion 1 Roaring Furnace // Steaming Sauna 1 Impractical Joke 1 Bounce Off 2 Ral, Crackling Wit 2 Soul-Guide Lantern 1 Get Out 1 Colorstorm Stallion 1 Broadside Barrage 1 Spell Pierce 1 Sear 1 Eddymurk Crab 1 Annul 1 Negate 1 Slagstorm 1 Pyroclasm 1 Flashfreeze Izzet Prowess remains the deck to beat in Standard, commanding 21.1% of the winner's metagame

but if the game hooks someone, the promise of more splashy spells should excite them as well