These can be 3-color cards, mono-colored cards with additional colored symbols in their rules text, or lands with all three mana symbols present
Like most Magic: The Gathering cards, the value of Liliana of the Dark Realms depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Bloomburrow Commander)
This concept applies directly to Lorcana, but Magic has had 30 years to solidify their color identities, and as such, subsequent set releases will likely alter Lorcanas ink identities in the years to come
No player will have the initiative until another spell or ability causes a player to take the initiative once more
At any rate, this is a really cool card.
Sabotender is a nice two mana landfall payoff thatll increase the clock for those decks