Mark Rosewater digs into these categories in detail in his article "The Midas Touch." "Chinese Menu" Designs These cards take an effect that would be appropriate for Color A and one that would be appropriate for Color B and crudely glue them together onto one card
Heres what black typically brings to a deck: Efficient removal Black has some of the best creature answers in Magic , from destroy spells and -X/-X effects to classic edict throwbacks
Gallery and List of Gates Azorius Guildgate Baldur's Gate Basilisk Gate Black Dragon Gate Boros Guildgate Citadel Gate Cliffgate Dimir Guildgate Gateway Plaza Golgari Guildgate Gond Gate Gruul Guildgate Heap Gate Izzet Guildgate Manor Gate Orzhov Guildgate Rakdos Guildgate Sea Gate Selesnya Guildgate Simic Guildgate Talon Gates of Madara The Black Gate Thran Portal Planar Nexus Best Gate Cards This section includes the best gates and the best cards that care about gates
If all it takes is one mana and a sacrifice outlet to get a 3/4, that seems economical enough
Thalia, Heretic Cathar , on the other hand, just slows your opponents down to a grind because all creatures and nonbasic lands your opponents play have to enter tapped
I got the bulk thrown in for free (maybe 5,000 cards) so I didn't even bother to look through it
