Dragon Sickness

Enchant creature
At your upkeep, put a madness counter on
enchanted creature. Then, sacrifice any
permanent other than Dragon Sickness
and the enchanted creature.
For every madness counter, the enchanted
creature gets +1/+1.
Remove three madness counters from enchanted creature, sacrifice Dragon Sickness: Search your library for any artifact card, put it into your
hand, then shuffle your library.