Drawing seven cards for three mana is an effect that most decks just plain shouldnt be passed up
card game
There are other situations where Mana Crypts downside can become worse
Reckless Rage Reckless Rage is another way to trigger enrage while also doing something else useful, in this case killing smaller creatures
A card that proved too strong for Modern several times, its the backbone of Dredge decks in Legacy and Vintage, despite being restricted in the latter
Mono Black Citadel Devotion Mono-Black Citadel Devotion | THB Standard | Jim Davis Creatures (26) 2 Cavalier of Night 2 Deathless Knight 2 Erebos, Bleak-Hearted 2 Gutterbones 2 Rankle, Master of Pranks 4 Ayara, First of Locthwain 4 Gray Merchant of Asphodel 4 Murderous Rider 4 Yarok's Fenlurker Instants (2) 2 Disfigure Enchantments (5) 2 Tymaret, Chosen From Death 3 Dreadhorde Invasion Artifacts (2) 2 Bolas's Citadel Lands (25) 21 Swamp 4 Castle Locthwain Sideboard (15) 2 Noxious Grasp 4 Duress 2 Disfigure 2 Legion's End 1 The Elderspell 2 Davriel, Rogue Shadowmage 2 Midnight Reaper If you wish to stray from the light to the dark side of things, Gary is back to welcome you home