Rakdos decks in Magic: The Gathering often have combos like this, and there are even new "one-turn-kill" strategies in Standard
Legendary Creature - Vampire Dinosaur Color tag templates(None) Ghoulcaller Gisa , , Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power
Which is pretty impressive, especially when you consider what a useless, comedic character the Prince is within the story of The Princess and the Frog
Goblin Ringleader is still a leader in his own right (are you sick of these puns yet?), letting you refill your hand with two to four rabble-rousers
Fitting four-mana removal into your curve is normally awkward, but paying for Pile On partially (or entirely) by tapping creatures and tokens makes it incredibly flexible in the right builds
For example, while a conjured card is in a public zone, you can represent it by writing on a piece of paper or using some kind of token