There are some cards that force players to untap one at a time, however, like Winter Orb, Hokori, Dust Drinker, and Winter Moon
I could have an $800 five-color deck and $750 of that is the mana base and the rest is random bulk, whereas someone could have a Yuriko, the Tigers Shadow deck thats $50 and be incredibly fast
I would look to cut most of either the black one drops of the green one drops
it can be a way to get a second Counterspell to hold off an incoming threat or even be an aggressive way to get an additional 3 damage from a Lightning Bolt
Prowler's first ability applies only at the time blockers are declared
Ive chosen sixteen honorable mentions, which I encourage you to do some delving into on your own