You should basically always point this at yourself, since it enables Escape perfectly (if the game has gone super long, this is probably unable to connect, but you could mill your opponent out if hes wearing Wings of Hubris)
A player's maximum hand size isn't checked at any time other than their own cleanup step
Dark Blastoise, priced at $85.78, was a competitive beast with high damage output, particularly valuable among collectors for its Rain Dance archetype use
Five color doesn't have to end with tribes
Probable causes for concern is potential looping and mass summoning of this (well, if you trigger this off Cage for whatever reason), but I don't think it'll be too much of a concern (least with you needing Stromberg to not kill your monsters)
Krakens are famously a larger creature