Going one step further, a card with an omen's color, type, mana value, and all other characteristics are determined by the "main" card, the creature, except while the card is on the stack being cast as an omen
If you expect a field full of Jund, adding a fourth Monarch effect to the 75 is a solid call
In effect, the minimum cost of a permanent has been reduced and when all you care about is the number of permanents counting towards synergies like affinity or improvise, thats a great thing
[1] If youre curious about Commanders land ratio, 36 lands is the equivalent of 14.5 lands in a 40-card deck and 21.8 lands in a 60-card deck
1 Aspiring Champion
Whether you want to dominate the table or defend against all-comers,CommanderComplete"Elite" decks operate at the highest level