Herald of Leshrac is a rare Creature — Avatar card from Magic: The Gathering (The List, PLST).
Rare
The List (PLST)
{6}{B}
Power / Toughness
2 / 4
Mana Value
7
Colors
B
Card Text
Flying
Cumulative upkeep—Gain control of a land you don't control. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
This creature gets +1/+1 for each land you control but don't own.
When this creature leaves the battlefield, each player gains control of each land they own that you control.
