Move 1, 3, or 4 cards from the back to the front (depending on the set you have)
Bloodthirsty Conqueror The Bloodthirsty Conqueror came and conquered many matches
The inclusion of Lightform and Cloudform along with the printing of Primordial Mist brought manifest into the spotlight

Example Decklist: Niv to Light | Modern | fj_rodman, 5-0 MTGO League Creatures (10) 1 Valki, God of Lies 2 Birds of Paradise 3 Niv-Mizzet Reborn 4 Omnath, Locus of Creation Planeswalkers (10) 2 Nahiri, the Harbinger 4 Teferi, Time Raveler 4 Wrenn and Six Instants (14) 1 Kolaghan's Command 1 Prismari Command 2 Assassin's Trophy 2 Vanishing Verse 4 Kaya's Guile 4 Lightning Helix Sorceries (6) 1 Supreme Verdict 1 Unmoored Ego 4 Bring to Light Enchantments (8) 4 Abundant Growth 4 Utopia Sprawl Lands (47) 1 Island 1 Mountain 1 Plains 1 Swamp 2 Forest 1 Breeding Pool 1 Godless Shrine 1 Indatha Triome 1 Ketria Triome 1 Overgrown Tomb 1 Steam Vents 1 Stomping Ground 1 Temple Garden 2 Verdant Catacombs 3 Misty Rainforest 3 Pillar of the Paruns 3 Windswept Heath 3 Wooded Foothills 4 Prismatic Vista 1 Crumble to Dust 3 Fatal Push 3 Rest in Peace 1 Shadows' Verdict 4 Thoughtseize 2 Veil of Summer 1 Yorion, Sky Nomad 4

Like calling out your attack with slappapow your opponents figure out your game plan pretty fast which can really hurt your tactics
Currently, it's unknown how many cards will appear in each mini-set