Jin-Gitaxias, Scion of Synergy

Partner
Eminence- When Jin-Gitaxias, Scion of Synergy is
on the battlefield or in the command zone, you
can't cast green spells.
Whenever a land enters the battlefield, it's owner
may cast a historic spell from their hand with
mana value equal to the number of lands you
control without paying it's mana cost.