You follow all normal timing rules for spells cast with the permission granted by Ral, Leyline Prodigy's last ability
Unclear how well 4/4 Deathtouch for 3 lines up with our current format
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)
Its nice that the adventure side represents common themes found in those colors, so sac decks will like the black one, while spellslinger decks will play the red one, and so on
The value of X is calculated only once, as Shriekwood Devourer's last ability resolves
It doesnt matter whats supposed to happen to the spell, so effects like Memory Lapse just become hard counters