Keeper of the Mana Leyline

Keeper of the Mana Leyline gets +1/+1 for
each land you control.
If a land you control would enter the battlefield tapped, untap it.
"Between the protectors of Taesir, the keepers of the
Mana Leyline are the most important. Without them,
the magic will stop flowing and all will wither to nothingness." -Talunis to Balandria