Combining both costs 8 mana, putting four bodies on the field, and drawing four cards, which is a neat play
This makes me believe that the problems with the current generation of fakes will be ironed out sooner or later
See rule 702.185, Warp. 702.185a: Warp represents two static abilities that function while the card with warp is on the stack, one of which may create a delayed triggered ability
That gives it a distinct weakness, though you could try playing around it with cards like Teferi, Time Raveler to minimize the value your opponents get
'Outside the game' is text that doesn't normally work in Commander, but you're already playing silver-bordered cards, so there are no rules
While merfolk doesnt go as wide as, say, elves, having a critical defensive measure against removal at any cost is great, especially if youre going to lose a creature anyway