Reid Duke Thoughtseize You article does an excellent job of breaking down how to actually play it correctly and when to look for it being in the wrong places
Last night Steve Warner did another Lorcana rules question and answer session on the official Twitter
[7] If Sarah somehow got another turn (by playing a card like Time Warp, for example), Sarah would have to attack with Siege Rhino again
Alongside Commander theres another casual and singleton format thats getting more popular: Cube
As someone who has played Cinderclasm , and even Kozileks Return without any Eldrazi, I can say this is a very solid arrow to have in your red sideboard arsenal
(Don't apply Weakness and Resistance for Benched Pokmon.) Weakness: Metal Resistance: none Retreat: 2 Glaceon VMAX - Water - 310 HP Pokmon - VMAX - Evolves from Glaceon V Ability: Crystal Veil Prevent all damage done to this Pokmon by attacks from your opponent's Pokmon VMAX, except any Glaceon VMAX