One possibility is to cast Apocalypse, a card that gets rid of everything, including your hand, leaving you only with Barren Glory, but that needs to be done on your upkeep, so there are options like Leyline of Anticipation or Emergence Zone to give these spells flash
Card advantage is something that's always appreciated in red, and the Dracosaur draws you an additional two cards every turn while also providing additional creatures and mana
In limited this card should do well, and it can even do well in constructed
Most notably, whenever you cast a creature spell, you create a 1/1 Human token with training
There are a few ways to total up how many unique MTG cards exist, all equally valid: There are about 22,630 total printed Magic cards with their own unique names and in-game rules text
There are so many powerful creatures in Magic with on-cast or enters-the-battlefield effects, there just has to be some absurd interaction we have to dig deep to find