Does dash avoid commander tax?
Do commanders have summoning sickness?
How do I get around Commander tax?
Bouncing your commander to your hand with cards like Unsummon let you re-cast it for cheaper. Command Beacon lets you avoid Commander tax once by moving your commander from the command zone to your hand.
Can you cast a Commander for its Dash cost?
The dash cost of Zurgo is an alternative cost, while the “commander tax” is an additional cost. You simply add them together for the total cost of casting your commander. 903.8. A player may cast a commander they own from the command zone.