That's malicious! notes u/12DollarsHighFive
If you can get Haakon into your hand, which you can do with cards like Netherborn Altar and Command Beacon, he becomes an incredibly grindy value engine for a Knight deck, letting you replay your fallen allies from your Graveyard
However, there doesn't seem to be one breakaway two-mana card behind this price spike

Terra, Magical Adept / Esper Terra Terra, Magical Adept | Illustration by Clare Wong Commander (1) Creature (21) Kavaero, Mind-Bitten Gene Pollinator Llanowar Elves Fear of Missing Out Badgermole Cub Joshua, Phoenix's Dominant Summon: Fenrir Overlord of the Floodpits Harvester of Misery Overlord of the Balemurk Yuna, Hope of Spira Overlord of the Hauntwoods Summon: Titan Marang River Regent Summon: Primal Odin Overlord of the Boilerbilges Trumpeting Carnosaur Overlord of the Mistmoors Summon: Knights of Round Ardyn, the Usurper Summon: Bahamut Sorcery (2) Artifact (1) Instant (2) Enchantment (9) Seam Rip Momentum Breaker Nowhere to Run Dredger's Insight Up the Beanstalk Awaken the Honored Dead Outpace Oblivion Rakdos Joins Up Omniscience Land (24) Bleachbone Verge Cavern of Souls Command Tower Commercial District Floodfarm Verge Forest Hedge Maze Hushwood Verge Island Lush Portico Meticulous Archive Mountain Multiversal Passage Plains Raucous Theater Shadowy Backstreet Starting Town Sunbillow Verge Swamp Thornspire Verge Thundering Falls Underground Mortuary Wastewood Verge Willowrush Verge In Historic Brawl, Terra, Magical Adept focuses on reanimation, but in Standard Brawl the plan shifts a bit

Jace, Unraveler of Secrets has a +1 to scry 1, then draw a card, and a -2 to bounce a creature
As long as you do that, youre going to win big