"Free" counterspells - ones with alternate casting costs beyond mana - always have the potential to warp a metagame or create a new deck archetype
I count: 38 lands and Arbor Elf, Elvish Mystic, Paradise Druid, Wose Pathfinder, Elvish Archdruid, Farhaven Elf, Wood Elves, Elvish Piper, Growth Spiral, Rampant Growth, Cultivate, Travel Through Caradhras, Sol Ring, Arcane Signet, Commander's Sphere, Model of Unity 54 mana
Having four colors is a huge advantage over the normal Hydra color identity of mono-green, as it opens the doors to great pieces of support such as Brokers' Ascendancy and Corpsejack Menace
Tevesh Szat, Doom of Fools Tevesh Szat, Doom of Fools is such a good sacrifice outlet, yes the planeswalker commanders +1 ability is once per turn, otherwise, it is a Skullclamp that can also create tokens