Tribal Werewolves has low enough standards that Conduit of Storms is an easy inclusion, and these "pay mana to permanently flip" Werewolves of Eldritch Moon play really well with Geier Reach Bandit
Invasion Tri-Lands In the Invasion set, Wizards introduced a cycle of lands that enter tapped and tap for one color, but they can also be sacrificed to add two mana in allied colors
Even if their Thoughtseizes have no good targets from time to time, I dont want to make it any easier on them
Blood Moon Last but not least, we have Blood Moon
Thousand-Year Elixir is a must-have for our Archer Tribal, as it is a card that enable our pingers to fire as though they had Haste, which makes our Archers faster and deadlier, as we can get instant value without waiting because of the summoning sickness (and being more vulnerable to removal)