mtg lord of the rings starter kit card list the Rings: Tales of Middle-earth/Starter and then the forces of Middle LoTR Starter Kit came with

Skymarcher Aspirant can hopefully get some chip shots in early game as a one-drop, then later when the battlefield gets clogged and your opponent has blockers then it can ascend to the sky, gaining flying permanently when you ten or more permanents at one point

The deck then adds a number of creatures and spells that create rabbit creature tokens including Warren Warleader, Head of the Homestead, Hop to It, and Season of the Burrow

In addition, The Book of Exalted Deeds and Platinum Angel both slow the game down by preventing you from losing the game and your opponents from winning the game.

If you really want to go all in on restrictions, Urtet, Remanat of Memnarch and Avatar Aang are only going to get some beginning support from sets and maybe sporadic or never again support

Tiamat, Bontu the Glorified, Toralf, Svyelun and perhaps Tom Bombadil make the list