Making all your swamp symbols payable with two life in any cost makes this a powerhouse
The kami instructed them how to work together and dig trenches for irrigation, and when the waters came, the fields grew instead of drowning
Battle-Axe is also a Kindred Warrior equipment, which means it interacts with typal payoffs like Brighthearth Banneret and Mardu Woe-Reaper
Black appeals to players who like to feel like theyre getting away with something. Black allows for a lot of flexible resource management, being able to reanimate and sacrifice creatures at advantageous rates while generating bursts of mana, life, and card draw
And that is where basic market dynamics kick in: if on top of that the supply is low because it is a scarce card, if nobody wants to sell it, or if it had a single print run many years ago, then the price can skyrocket