Ramp Whether it's getting lands out faster, or playing creatures and artifacts that generate mana, you need a way to 'ramp' - that is, to rapidly increase your available mana, beyond playing your one land a turn
Hopefully these will inspire you to try out some new decks with Kaldheim
I think its pretty obvious that this Omnath falls short of some of its predecessors, but it certainly packs a lot of value into a single, often 4-cost, creature
What cards are similar to Exile into Darkness
Its main ability is, for two colorless, one blue and one black, that you can exile a creature from a graveyard to create a 4/4 black zombie token in its place
Avatar Aang / Aang, Master of Elements I dont expect Avatar Aang to be all that impressive, since bending four times in one turn is probably harder than it sounds