Worth noting: the platform uses the average of sales across all European languages combined, which can be a slight mismatch for collectors who specifically track French card prices
Still, once it resolves, you can choose how to kill your opponent slowly by either casting spells from the top of their library without paying mana, shrinking their hand, killing their creatures, and, if they've survived long enough, exiling all their non-land permanents with the ultimate
You want reliability more than anything else
The creatures only stick around temporarily, but that never stopped Gray Merchant of Asphodel and Sidisi, Undead Vizier from being the menacing threats that they are
Included is Ulamog, the Ceaseless Hunger and Kozilek, the Great Distortion, which both run up the price on their own
You can generate a colorless mana without any downside, or fix colors while casting a legend, not to mention the cant be countered clause