zelda mtg cards card 2: Princess by Wheeloffortune2012 on DeviantArt Mtg link | Legend of

Once you choose to do so, the ability will no longer trigger for the rest of the turn

Attach Lightning Greaves to Breya, Etherium Shaper or any other creature you want to keep it safe

you might not want your opponent to have a Cryptic Command still

You receive three energy counters, then can pay any amount of energy counters to have Harnessed Lightning deal that much damage to target creature

Here is a tip from someone who goes to high-level events and plays plenty of Commander: you dont have to sign up for side events to play Commander

It can also serve to clarify how some cards with unique and confusing wordings function