In terms of enhancing Kenrith, I also really like Blackblade Reforged
The goal is to quickly start attacking with Knights to trigger the looting ability of Sidar Jabari of Zhalfir, discard cards we don't need or expensive Knights to reanimate later with Sidar, and keep developing our board with Knights until we eventually can start swinging for lethal with the aid of cards like Knights' Charge
Graded Population Report: Hydreigon ex #240 Visualize the distrbution of grades in the chart
Sure, useful cards from this part of Magics history can and will spike in price, but Ive seen people worried about the supply of cards like Wall of Kelp
However, I much prefer the anthem approach like with Flowering of the White Tree to ensure you get Syr Vondam's power up to four before you flicker it
Several categories of fakes cards will fail this test: for instance re-backed Collectors Edition (which also have a distinctive, glossy feeling like poker cards) as well as several type of old Chinese proxies