You know Aura Shards could have been self-limited by removing that
You are very free to look at different directions and strategies that work with your commander, but that aren't made obvious by the commander's keywords or abilities
The higher the cost, the more Energy you need to discard
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For example, Complains Clerk has "Whenever you roll a 1, create a 1/1 white Clown Robot artifact creature token." If you choose that ability, you ignore everything up to the first comma, ending up with "Create a 1/1 white Clown Robot artifact creature token." Some triggered abilities have an "intervening if" clausethat is, they are written in the form of "When/Whenever/At [trigger event], if [condition], [effect]." If you choose such an ability with Trigger Happy, you ignore the trigger event, and the ability will go on the stack even if the intervening if condition is not fulfilled, but the ability will still check the intervening if condition as the ability tries to resolve
Everybody needs roads, and the roads cost money