mtg put cards on top of library Write into Being - Sorcery - Sylvan Library - MTG Single

You can flood the board with Academy Manufactor, or use Tamiyo's Journal for repeatable value and a steady stream of Clues

A repeating Raise Dead creates a lot of value for creatures that want to ETB, die, or leave the graveyard like with Tormod, the Desecrator

While many Planeswalkers have generally powerful abilities, others are much more niche

If you want cheap and quick sleeves, go for Penny sleeves

Then, post-transformation, Liliana can force everyone to discard (playing strongly into graveyard-based strategies for you) or bring back dead stuff

Here are the decklists for The Lord Of The Rings: Tales Of Middle-Earth Commander