If enough people bought in based on this analysis, scarcity could well drive up the price of the card
It can't be combined with other alternative costs, such as casting a spell "without paying its mana cost." To determine the total cost of a spell, start with the mana cost or alternative cost (such as an evoke cost) you're paying, add any cost increases, then apply any cost reductions
With the right foundation, OP11-041-nami can pressure opponents turn after turn while outvaluing them until they no longer have the resources to keep up
Using an indestructible creature to block a lifelinker will still result in the opponent gaining life, and blocking a creature with wither will still cause -1/-1 counters to be placed on your creature (which could actually kill it!)
Therefore, as the Lorcana team pointed out during the session, bodyguard does not protect locations
Sword of Forge and Frontier Sword of Feast and Famine gets most of the attention (and vitriol), but Id argue Sword of Forge and Frontier is the new best Sword of X and Y in Commander
