If I may take a small detour, I also like to stress that I lost a match in a tournament NOT naming Tormods Crypt with it due to my opponent thinking way too hard on his keep
How about drawing seven new cards and resetting your graveyard, hand, and library all at the same time
Synergy draw: If your deck cares about creatures, attacks, artifacts, enchantments, or graveyards, your best draw often lives inside that theme
Is it castable
While thats a little slower in formats like Standard, having access to this card in Modern, Legacy and Commander means youll likely only ever be spending one mana on this powerful effect
As for the latter, it digs you into your deck for a free creature each turn, so hand size isnt an issue