Mermaid's Pauldron

Equipped creature has Hexproof and "If an
opponent controls more creatures than you,
this creature gains +1/+2 and Vigilance."
As long as equipped creature is a Human, it
can' be blocked by Merfolk or if the defending
payer controls three or more islands.
Equip {3}
"Once a token of friendship, now a tool of war."