Utrom Monitor Heres an interesting one
You can select them in any ways you wantmaybe you just like those colorsbut keep an eye out for three things: Strong and exciting rares in your colors Removal cards, such as cards that destroy or otherwise deal with your opponent's creatures Cards with evasion, such as flying creatures or hard-to-block cards Additionally, another huge element to look for are good synergies and multicolor cards
If a creature's power is somehow less than 0, it subtracts from the total power of your other creatures
In my years of personal experience, examining good decklists, and talking to people much smarter than me, 50 mana sources is about the right number for most decks to shoot for, usually 37 lands and 13 ramp sources for a general budget deck
You get another card so that's mad card flow
Then you can give everything from your graveyard haste, to swing faster, as well as from exile casts to Command Zone ones