3's last ability resolves before the spell that caused it to trigger
Instead, Ill say that Tarkir has a very strong strategy that Im willing to recommend, and that I believe will serve you well across a wide range of situations
Kefka, Court Mage (Borderless - Surge Foil) - $114 Kefka, Court Mage (Borderless - Surge Foil) puts the clown front-and-center, while offering a transformation into Kefka, Ruler of Ruin on the other side - yours for just over $110
If Ral, Monsoon Mage is exiled and returns transformed while one or more instances of his triggered ability are still on the stack, those abilities will still resolve
From a law perspective, yes, custom Magic cards are legal for personal use only
Composite Golem