In terms of a serious threat in blue that costs five mana Meluko trumps all the alternatives however when facing the likes of Banelsayer Angel, Wolfir Silverheart, Seige-Gang and Thundermaw Hellkite from other colours you are much better off casting a Time Warp and making a six drop
If that creature has a leaves the battlefield effect, it goes on the stack
Solving that gives us 92 ranked drafts , very close to double the 47 ranked drafts for the Critical Point, which makes a lot of sense
many Commander decks like haste, and being able to empty your hand and swing is underrated
And before you ask, no, it wasnt just because of some other broken card or cards
Laurine could even do great in a mono-red deck or leading her own deck built around Goad