Much like Pokemon and Magic: The Gathering, these characters are divided into special 'colors'
Sure, you don't get to attack that turn, but imagine how many games you actually get to play to turn seven or eight by not having to wait an extra turn or three for your Wrath
the same can be said for self-mill decks as milling a flashback card is similar to drawing one
(The Dredge deck archetype is based around the graveyard mechanic dredge, which is known to contain mostly incomprehensible nonsense.) In the case where the graveyard is good for you, please embrace your grave with open arms
However, if you have access to green and spend (G\)(G), you can exile a target artifact or enchantment
Not to mention that Black Chocobo also lets you put a land from your library directly onto the battlefield when it transforms