You play Acererak, venture into the dungeon and put Acereraks bounce trigger on the stack, use Relic of Legends to tap Acererak for one black mana, and repeat
It wants you to be playing both Elves and Wolves, though you'll likely just be playing Elves since the advantage there is better than Wolves (and there are way more Elves than there are Wolves)
Its interesting just how much U/R gets to naturally step on two-toughness creatures
If you see the Felix Five-BootsFelix Five-Boots player drop this, pray for an AbradeAbrade
A five-mana wipe that destroys artifacts and creatures is pretty reasonable, but you wont be caught flat-footed with this spell when youre in rebuild mode
Like all blitz creatures, when Tenacious Underdog dies you get to draw a card