family pokemon card game Sword & Shield Start Deck 100 with Limited Mat & Game Bundle includes 2 starter decks (in Japanese language) Family" evolution series : r/PokemonTCG

Gone forever

The value of X is calculated only once, as Shriekwood Devourer's last ability resolves

Please do bear in mind that a lot of this is purely speculative, and I will not be held responsible for you forking out several hundred pocket clams for Archangels of Thune if they eventually end up in the dollar bin (though lets be honest, theyre a silver bullet in modern Birthing Pod lists so theyll probably retain decent value)

Clive's Hideaway's last ability only cares if you control four or more legendary creatures at the time it resolves

You follow all normal timing rules for spells cast with the permission granted by Ral, Leyline Prodigy's last ability