pokemon silver tempest card price Magearna V - SWSH12: [ULTRA RARE] Giratina VSTAR plunges the world into the abyssal shadow of the Lost Zone Pokemon Sword & Shield Silver

That said, the increase in speed when opponents lose life is a triggered ability, and you can interact with it as such

Just like Supporter cards, each player can only play one Stadium card during their turn

This is also a very aggressive planeswalker design, so it defends itself fairly poorly you cant simply cast Chandra and remove a threat, a near-and-dear ability for playable walkers

(11/3/2023) If Aragorn, Hornburg Hero leaves the battlefield after first strike damage is dealt but before regular combat damage, creatures you control that dealt first strike damage but no longer have first strike won't also deal regular combat damage (unless they have double strike for some reason).

And this works

It should be no surprise, then, that this is one of the best Schemes around