It was introduced with an extra bit of marketing, which you can see here: So there are hidden, real Legends cards (that WotC somehow found in an old warehouse) in 3% of Collector booster packs from Dominaria United
Spinner of Souls Spinner of Souls is an interesting payoff to ramp into on turn 2 following a mana dork
Golduck (2 cards): Pokmon Phase 1, Water Type, 90 HP, Weakness: Thunder +20, Retreat 1 (any color) | Attack: Water Edge (Water, 70 damage, 2 Water Energy) Staryu (2 cards): Basic Pokmon, Type Water, HP 50, Weakness: Thunder +20, Retreat Cost 1 (any color) | Attack: Water Blade (Water, 20 damage, 1 Water Energy) Starmie Ex (2 cards): Pokmon Phase 1, Water Type, 130 HP, Weakness: Thunder +20, Retreat Cost 0 | Attack: Hydroburst (Water, 90 Damage, 2 Water Energy) Lapras Ex (2 cards): Basic Pokmon, Type Water, HP 140, Weakness: Thunder +20, Retreat Cost 3 (any color) | Attack: Bubble Drain (Water, 80 damage, 2 Water Energy and any color Energy, heals this Pokmon for 20 damage) Potion (2 cards): Heals 1 of your Pokmon for 20 points of damage
The scry ends up mattering a lot, because you can bottom stuff you dont want
Terrible name
The deck cores most expensive card is Big Welcome Labrynth, but everything else can be acquired for pennies