You may cast any number of spells from among them without paying their mana costs
I touched on it recently in my piece about how people should be running more and expecting more graveyard hate
Burns a strategy as old as Magic itself, one thats present across all Magic formats and has put late-game set-up decks in their place for years on end
Green smooths out greedy mana bases, fuels creature-based draw engines, then tramples, overruns, or craterhoofs the table
The combo of haste, auto-attach, card draw, and mana ramp makes him a battlecruising powerhouse
Ill keep Clavileo, First of the Blessed as this decks main commander, but you could switch to Carmen and have a slightly different take on the deck