If you look at a typical Infect deck list all of its creatures are Phyrexians thanks to an errata a while ago, so The Seedcore works as a dual land (this is could also help open up the possibility of more three-color infect builds rather than the two-color builds which are most popular today), and almost all the most popular Infect creatures are 1/1s, which makes The Seedcores corrupted pump ability especially impactful
As long as you combine this with some good landfall triggers, or just a land-heavy deck, you can overwhelm anyone by just playing a few more land cards
Every year or so, news breaks out of someone cracking a new Black Lotus and the whole MTG world gets buzzing
To solve You control no suspected Skeletons
Looking at many of the old creatures on this list, it's hard for new players to know what they are missing, because in the context of today's creatures they generally aren't missing all that much
Combat Damage This grouping focuses on Partners that have effects when they deal combat damage to a player