Cosmo, Obsessive Collector

When Cosmo, Obsessive Collector enters the battlefield create two 0/1 black horror creature
tokens.
Collect Secrets - Tap two black creatures: Target
player reveals their hand. You choose a non-land
card from it. until end of turn, you may cast that
card and pay mana as though it were mana of any
color to cast it. You may use this ability only any
time you could play a sorcery.