It forces decks to have a good answer or plan against it, and reinvented the tempo archetype in 2021 entirely
At the beginning of each upkeep, if you had another creature enter the battlefield under your control last turn, draw a card

Abrade Adrenaline Jockey Agate Assault Alania's Pathmaker Ancestors' Aid Ancestral Anger Angry Rabble Anzrag's Rampage Arachnomania Archaic's Agony Artist's Talent Artistic Process Ashling, Rekindled Avengers Disassembled Axgard Cavalry Balin, Loremaster Ball Lightning Barret Wallace Battle-Rattle Shaman Battlesong Berserker Bayo, Irritable Instructor Become Brutes Bedhead Beastie Belligerent Yearling Belligerent of the Ball Bellowing Bruiser Bespoke Battlegarb Betrayer's Bargain Blacksmith's Talent Blazing Bomb Blazing Crescendo Blazing Firesinger Blooming Blast Boar-q-pine Boilerbilges Ripper Boldwyr Aggressor Bolrac-Clan Basher Bolt Bend Boltwave Bombard Bombur, Gentle Dreamer Boneclub Berserker Bonehoard Dracosaur Boommobile Bot Bashing Time Bothersome Noisemaker Boulder Dash Boundary Lands Ranger Brambleback Brute Brambleguard Captain Brass's Bounty Brass's Tunnel-Grinder Brazen Blademaster Brazen Collector Brazen Scourge Breaching Dragonstorm Breeches, Eager Pillager Brimstone Roundup Broadcast Takeover Bulk Up Bumi Bash Burn, Burn, Tree and Fern Burner Rocket Burning Curiosity Burning Sun Cavalry Burnout Bashtronaut Burst Lightning Byway Barterer Calamitous Cave-In Calamity, Galloping Inferno Call the Mountain Chocobo Cam and Farrik, Havoc Duo

This swashbuckling duo brings mana and card advantage in the Command Zone
Board wipes, targeted exile, and conditional removal help white decks recover even when the board gets out of hand