Take my deck, for instance: When we were still forcing Sapling of ColfenorSapling of Colfenor as commander, this card was worth the four mana because I could see that I had a creature on top to draw, or could get a land off the top of my deck so I didn't whiff
Blues uncommon suite is somehow less impressive, but it does include Bewildering Blizzard, which is a banger
This is pretty tough because there isn't a ton of Blue ramp to begin with and I want to give you options that are fairly playable
It starts small and dies to almost all removal spells, but you can quickly build an army of creatures with +1/+1 counters if you keep sacrificing permanents
If not, then not being able to cast your commander in a timely manner is going to be very annoying
This ability allows you to retrigger an effect of a Saga, delay a Saga trigger for a more fortuitous turn, or accelerate a Saga's progression to get value out of it on demand