Lands That Tap for Color When creating your manabase, your first priority should be to make sure you have your colors
Llanowar Visionary Llanowar Visionary is a more expensive alternative to other mana dorks, but it draws you a card to add some good value

2 Non-foil rare or mythic rare Booster fun cards from among the following: A rare (6.4%) or mythic rare (4.6%) showcase draconic frame card A rare (51.5%) or mythic rare (8.2%) borderless clan card A rare (21.5%) from among the borderless Sagas, Sieges, and lands or a borderless mythic rare Elspeth, Storm Slayer (0.7%) A rare (6.4%) or mythic rare (0.7%) borderless reversible dragon 1 Traditional foil rare or mythic rare Booster fun card from among the following: A rare (5.3%) or mythic rare (3.9%) showcase draconic frame card A rare (42.7%) or mythic rare (6.8%) borderless clan card A rare (17.8%) from among the borderless Sagas, Sieges, and lands or a borderless mythic rare Elspeth, Storm Slayer (0.6%) A rare (5.3%) or mythic rare (0.6%) borderless reversible dragon A showcase ghostfire frame card: A traditional foil ghostfire card appears 9% of the time

This is particularly helpful for Yarok, The Desecrated Commander decks, which have access to eeries primary colours of blue and black
Abaddon the Despoiler The face of Chaos