Zombie Invasion

Event (Enchantment, but effects in exile, and you may
search your deck for an Event card for your starting hand.)
When you cast Zombie Invasion, exile it.
At the beginning of your upkeep, flip a coin for each creature.
If tails, that creature gains rabid. (It loses all non-evergreen
abilities, and gains haste. It also is no longer owned by any
player. After a combat phase, the player carries out the
invasion phase, where he/she must block against all
rabid creatures, acting as being the