Additional land plays come in many forms, from needing to deal combat damage with Sword of Forge and Frontier, to the simple green enchantment Exploration, and the mana fixing Dryad of the Ilysian Grove
So you think Force Spike isnt good
[14] Discard Trainer cards, except for Stadiums, right after you play them
The fact that is has means that supply is likely way higher than initially thought which is why these prices are dropping so fast
Anybody playing a Knight or Changeling deck is going to want a copy of this card, and the low supply is going to keep its price high for the foreseeable
Most of the legends matter stuff is on a handful of underperforming rares though (i.e., Clive's Hideaway, Serah Farron), so dont expect to build around legends specifically