Since dashing is still casting the spell just for a different cost, you still add the appropriate commander tax onto the cost that you pay when you dash based on how many times you already cast the commander
Card Name Mana Cost Type Enchantment Rarity Rare rules Text Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it
Being able to respond nimbly to threats is important in any game of Commander, and Endless Punishment does a decent job of including answers like Chaos Warp, Infernal Grasp, and Bedevil
Summary Mystery Boosters contain unique, valuable cards like Gerrard
Enchantments - 7
The synergy between the two is obvious, but the trick is treating Urzas Saga like a spell rather than a land