mtg the first sliver commander deck Cascade (When you cast this spell Ew Slivers…! $500+ High Power,

Target Agrus Kos with the attack trigger and spend two, and youll be dealing damage to each opponent equal to the number of creatures you have, since theyll all get a counter and qualify as modified

(If this matters, you must have a very good reason for wanting to pay life.) If the target Equipment can't legally be attached to the target attacking creature when Raubahn's last ability resolves, the Equipment won't move

Whether this changes and Prismatic Ending gets more relevant in the future the format will show, but if a card has a chance to shine and change how the format is being played, its definitely Prismatic Ending

Upkeep step : not usually used, but sometimes a player has to pay manai.e