Ezrim, Agency Chief Ezrim, Agency Chief is not the second coming of Dream Trawler, but Id run one if I was trying to make a blink deck work
The level up keyword works at sorcery speed
Aether Revolt , the second set in the Kaladesh block, introduced a mechanic called improvise that allows you to tap artifacts to help pay for a spell
Similar cards to your key cards can often help you win
2 Atraxa, Grand Unifier Bring Them All Together Atraxa is a bit more of a wildcard than an exclusive lifelink card, but it just does so much work that it is hard to ignore
I'm less inclined to play it with expensive commanders that might not come down until later in the game and be hard to recast, as that likely leads you to hard-casting this more often than youd like