Green already has a lot of creatures that produce mana (Innistrad Remastered's Somberwald Sage is one that just didn't quite make the cut for this list), but what if all your creatures could produce mana
Feed the Swarm, however, remains the budget king at only $0.45, providing essential flexibility for less than half a dollar
Delirium, which first showed up in the two-part Shadows Over Innistrad/Eldritch Moon block, is a mechanic that gives your cards a bonus under the condition you have four or more different card types among cards in your graveyard
Card Set(s) -EMPERORS IN THE NEW WORLD- [OP-09] CARD VIEW OP09-072 | SR | CHARACTER Franky Attribute Strike Block icon 3 Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Play] DON
One of them cracking not only the aforementioned barrier, but the earth, and the scale
And it flies