Remus Lupin

Protection from Black
Full Moon - At the beginning of your upkeep flip
a coin. If heads, you forgot to take your potion.
Search your library for a card named Wolfir
Silverheart(WS) and soulbond it to Remus Lupin.
WS has Haste until end of turn. At your end step shuffle WS into your library.
{1}{w}{t}: Create a Boggart creature token.
"It is the quality of one's convictions that determines
success, not the number of followers."