A Realm Reborn

Lands you control have ": Add one mana of any color."

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

As an additional cost to cast this spell, sacrifice half the lands you control, rounded up.

Hexproof

Lands you control have ": Add three mana of any one color."

( can be paid with either or .)

Other permanents you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Creatures you control get +1/+1.

Whenever you tap a land for mana, add one mana of any type that land produced.

Trample

When this creature enters, you become the monarch.

Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color.

Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.)

Whenever you cast a creature spell, draw a card.