Regrain Researcher, Bone Flesh Ripper: DZ Booster Set 13: Parallactic Clash Commander 2014 Players can't gain life this

Players can't gain life this turn

Undying (When this creature dies

Enchant creature Enchanted creature has first strike

or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent

Whenever a black creature enters the battlefield under your control

Regrain Researcher, Bone Flesh Ripper: DZ Booster Set 13: Parallactic Clash Commander 2014 Players can't gain life this[ACT](Hand): If your order zone does not have a card with the same card name as this card, has a "Regrain Biocreation Research Lab", and a card was not put in your order zone this turn, [COST][put this card in the order zone], and draw a card. [ACT]Order Zone[1 Turn]: If you have a grade 3 or greater vanguard with "Zorga" in its card name, [COST][retire one or more, up to two rear guards], draw a card, and if you retired two rear guards for this cost,