If youve got one of these commanders, you can usually get away with cutting a few lands
// Tamiyo, Seasoned Scholar Legendary Planeswalker Tamiyo 2 +2: Until your next turn, whenever a creature attacks you or a planeswalker you control, it gets -1/-0 until end of turn
They can offer a feeble amount of lifegain but no where close to being good on that basis
Equipped creature has haste, lifelink, and "At the beginning of your end step, you lose the game unless this creature attacked this turn." Equip - Pay 4 life
Whenever a creature with myriad attacks a player, you get token copies tapped and attacking the other players in your pod , allowing one creature to pressure all three of your opponents in your typical Commander game