If a spell, ability, or effect states that a player can do something only any time they could cast a sorcery or only as a sorcery, it means only that the player must have priority, it must be during the main phase of their turn, and the stack must be empty
I suspect Polluted Cistern alone would already see play in EDH
1999 - Holo 1st Edition - Pokmon Game Base Charizard Sold: 2022 - Price: $420,000 Standing tall on its hind legs, Charizard exudes power, with its mighty wings spread wide and a searing fiery breath erupting from its mouth
The value of X is calculated only once, as Morcant's Eyes's last ability resolves
"Vernusylph of the Flourishing Hills" and "Spirit of the Fall Wind"), or popularly-benevolent heavenly/celestial deities (e.g
While other players can stop you drawing from Esper Sentinel, more often than not, they won't want to wait an extra turn to play their spells, more or less ensuring the card at least replaces itself