For five mana, you get a Green White Enchantment that makes it so that whenever you tap a land for mana you get to add one mana of any kind that land can produce
The wizened old patriarch, the uber-powerful being that reeks of age and the grave, yet steeps itself in regal pageantry
6: Untap up to two target lands you control
While he prefers his graveyards stacked and Lotuses black, hes willing to saddle up with whatever needs breaking next
At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.) Rebound (If you cast this spell from your hand, exile it as it resolves
The ideal way to win is simple: Turn 1: Swamp, Play Dark Ritual, Cabal Ritual, Entomb: Getting Griselbrand, Cast Shallow Grave to drag Big Gris' butt out of the grave, Activate Griselbrand's ability twice to draw fourteen cards, Then Play any ritual effects you drew, aka Dark Ritual & Cabal Ritual, afterwards it's up to you how you get to ten spells cast in the phase, but you will finish out by playing Tendrils of Agony