Your opponents will likely forget about the card as it sits in your graveyard, giving you room to spring a blowout when they swing in
Truefire Captain's last ability will trigger even if it is dealt lethal damage
Now there are a few dozen cards with the ability to phase out on command or cause something else to phase out
Blue can draw the most, sure, but it also has many, many redundant effects and cheap options on the curve that can do other things
It supports both raw and graded cards, including reprints, promos, and variants
Then shuffle your library.) Razaketh, the Foulblooded: It ain't no Griselbrand (4BBBB Legendary Creature Demon Flying, lifelink Pay 7 life: Draw seven cards.) 7 cards will cost you 14 life and 7 other creatures with this dude