Ghoulcallers Harvest is a two-mana sorcery that cares about creatures in your graveyard, and the potential to swarm an opponent with Zombie tokens
For example, the last ability will count experience counters that you got from the second ability, from another ability, from another copy of Azula, Ruthless Firebender, and so on
Lots of body horror, monsters, and just downright scary figures appeared in some of our favorite cards
Thats not quite a full proliferation effect, but that would be just absurd
Of course those foods, clues, or other artifact tokens also count too so this is a great way to threaten with infected gifts
Meanwhile, Friends on the Other Side is a really powerful song card, enabling you to draw extra cards