The biggest thing to remember about Liliana, Deaths Majesty is that you will need her to stick around for a little while in order to pull off the board wipe
Fetch lands, extra land drops, and staple MTG cards like Cultivate let you trigger her ability multiple times per turn
Grass - Plants often compete for nutrients and block each other from receiving them, nullifying their attacks
Another, a black mana card, is the Sephiroth that players encounter during the main plot of Final Fantasy 7 as the evil one-winged angel trying to destroy the world
With a lot of one drop ramp cards you don't want many lands that come in tapped or that produce colourless
Every time something enters from the graveyard, Kotis grows larger with +1/+1 counters, which means pairing it with recursive creatures like Gravecrawler quickly turns this Champion into a massive threat that cant be ignored