Giving them access to lots of discounted cantrips and other draw smoothing produces explosive super-high-velocity decks like the (swiftly banned) Omnath Adventures archetype from ZNR Standard
Moving forward, Im terribly curious as to what changes well see in the metagame, and whether or not those changes will encourage the flip
Set BoostersJust for Fun March of the Machine Set Boosters contain 12 Magic cards, and your players may find any of the following types of cards inside: 1 Art card At least 1 Rare or Mythic Rare card from the set 1 basic land 1 Battle Card 1 Multiverse Legends card 1 traditional foil card of any rarity Battle cards, basic lands, Multiverse Legends, one traditional foil card of any rarity, and at least one Rare or Mythic Rare card are always found in Set Boosters
TYPE Artifact ABILITY Creatures you control get +1/+1 and have flying and indestructible
With Murders at Karlov Manor draft and set boosters were merged into the play booster which solidifies the potential to pull up to four rares in one pack
Thats already valuable, but Horizon Explorer can also pump out multiple Lander tokens each turn if youre able to attack multiple opponents