Envoy, Vision of Discord

This card cannot be in a library. This card is
Immune to all Spells, Activated and triggered abilities, planeswalker abilities and Deathtouch.
Menace, Trample, Reach, Haste, Unearth
World Ender (When this creature deals battle
damage, each player exiles a land they control.)
Prophetic (This creature can attack, defend, and be defended by opponents as if it were a creature.)
The Vision ( No other "Vision" Cards can be on the
field, if any card with Vision is on the battlefield,