If youre going Psychic -heavy, Psychic Energy fuels your attackers
If you do find your Abundant Growth, you will only be able to play it turn one if your opening hand has one of the following: - A Command Tower - A Forest, 3/39 lands in your deck are forests - An Exotic Orchard and hope the mono green player ahead of you in turn rotation didnt keep a colorless land - A Murmuring Bosk - which will only enter untapped if you also have your one treefolk card in your deck in your opening hand (Faeburrow Elder)
Mauhur helps grow this army even larger, and a number of cards synergize with the army including Ugluk (grows when the army or any other creatures die), Gothmog (grants the army deathtouch), Moria Marauder (play spells off the top), Sauron (ring tempts, card draw)
But its text box also just consists of a bunch of evergreen keywords
It wouldnt offset the issue of many times as many cards coming out per year as there used to be, but it would at least help