Merason and Kirihan

Landfall- Whenever a land enters the battlefield
under your control create a 1/1 blue, black,
and green Merfolk Warrior creature token with hexproof.
Whenever a Merfolk enters the battlefield under
your control, each player mills 2.
All graveyards are also your graveyard.
You may play lands from your graveyard.
You may play an additional land each turn.