Until end of turn, lands you control become 2/2 creatures that are still lands
1 plastic coin
Theres something terrifying about a giant unfeeling tentacle monster with an insatiable appetite for entire planes
Fugue pretty clearly outclasses Predation here, since trading for an early play is better general coverage than a tapped land and being able to cheaply trade for a Negate or Disdainful Stroke later is going to crack open control matchups more than Predation would
2 Orvar, the All-Form Likes to Duplicate Cards and Use ETB Triggers 7,799 Decks on EDHrec.com Orvar, the all-Form is a wacky card from the Kaldheim set that likes to duplicate cards, especially creatures
There is a way to template the ability so that it technically reads a little more blue (for example, instead of preventing the casting, it could allow it and then counter it) but it would just have been significantly wordier and would have had the same basic effect