A chase card doesn't always have to be the single most expensive one in the set
The fact that I said to buy it before it went up would suggest I sometimes know what the market will do, or every card goes up eventually
On to the activated ability, is a nice easy cost, and while the nonlegendary clause is sure to nip at you a couple of times for interactions you would love to have, there are lots of excellent targets for Niko to flicker and result in three or more extra white or blue ETB effects, just look at Karmic Guide, Trinket Mage, and Junk Winder
At that time, they did not consider such a significant expansion to be necessary
Ace Paramount War, Manga Alternate Art ($1,100) It speaks volumes that when we originally put together our list of the most valuable One Piece cards, this was the number two entry on the list, and was selling for around $700
Most of my Commander decks usually have 4-5, occasionally moving up as high as 6 board wipes if they need an extra out against decks that swarm the table with creatures or artifacts