You don't have to choose a target for the reflexive triggered ability created by Lockjaw's last ability, but if you do, and that target is illegal as that ability tries to resolve, it won't resolve and none of its effects will happen
it's an incredibly powerful lord in this strategy
This means Arceus has to rely again on other teammates, which changes the style of playing this deck
Esper Sentinel Esper Sentinel is sometimes referred to as Rhystic Buddy as an homage to its similar effect to the infamous blue enchantment Rhystic Study, itself one of the strongest enchantments in Commander
Its virtually useless now that its banned from Commander, outside of some very niche and obscure uses
6 Mega Lucario Ex Mega Evolution Mega Hyper Rare - $266.99 This golden Mega Lucario from the base Mega Evolution set is another card on this list that is actively trending down, having lost over $30 in value over the last three months