Urban Decay

When Urban Decay leaves play, destroy all lands.
At the beginning of each end phase, the player
with the most lands chooses a land they control.
That land becomes a 1/1 Homeless Human with
{t}, target land you control taps for double mana & then
becomes a 1/1 Homesless Human with same ability.
When any player controls no lands, Urban Decay
becomes exiled and all Homeless Humans are trans-
formed into 2/2 Zombie Tokens with Deathtouch.
Creatures that die from Zombie Tokens become
Zombie