This is a mana doubler disguised as a dragon, and a persistent token generator at the same time
Most damage happens when collectors put cards in or take them out of sleeves
If an ability tries to move a stun counter from a permanent an opponent controls to another permanent while you control Fear of Sleep Paralysis, that counter won't move
Cards that fall into this category for my example build are: Reforge the Soul Phyrexian Arena Sign in Blood Castle Locthwain Night's Whisper Underworld Connections Change of Fortune Demonic Tutor Shred Memory Dimir Machinations Liliana Vess Ramp Spells Ramp spells are usually mana rocks
15,380 as card (0.53%) Geralf, the FleshwrightGeralf, the Fleshwright is a card that benefits both storm and Zombie decks, making tokens as you cast more spells and additionally putting +1/+1 counters on Zombies you control
These cards are powerful, but theres a tradeoff: knock one out and your opponent takes three prize cards