Hatchery Sliver | Kobolds of Kher Keep | Leyline of Transformation

Cards

All permanents on the battlefield (
Leyline of Transformation with "Sliver" chosen).

Cast
Kobolds of Kher Keep by paying ({0} magic symbol) , and choosing to pay its replicate cost an arbitrarily large number of times by paying ({0} magic symbol) .
Kobolds of Kher Keep triggers, creating a copy of it for each time its replicate cost was paid.
Resolve all
Kobolds of Kher Keep spells, causing the nontoken
Kobolds of Kher Keep to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.