The Phantom Five

First Strike, Defender
At the beginning of your upkeep, put a verse
counter on The Phantom Five.
Undead creatures you control get +1/+1 for each
verse counter on The Phantom Five. (Zombies,
Skeletons, Spirits, Wraiths, Horrors, Specters, and Vampires are Undead.)
"Grim Grinning Ghosts come out to socialize!"