Red Slaad

Hexproof
Whenever a creature dealt damage by Red Slaad
dies, create a 0/1 horror creature token named
Slaad Tadpole, that has "Sacrifice this creature:
Search your library for a creature card named
Blue Slaad, reveal it, put it into your hand, then shuffle your library".
{c}{c}{c}: Regenerate Red Slaad