Mirrodin Besieged

As this enchantment enters, choose Khans or Dragons.

• Khans — At the beginning of your draw step, draw an additional card, then discard a card.

• Dragons — Spells your opponents cast that target you or a permanent you control cost more to cast.

When this enchantment enters, return up to one target instant or sorcery card from your graveyard to your hand.

Whenever you cast an instant or sorcery spell, draw a card. Then discard a card unless there are three or more Lesson cards in your graveyard.

When this enchantment enters, draw three cards, then discard two cards.

At the beginning of your end step, if eight or more cards are in your graveyard, transform this enchantment.

At the beginning of your upkeep, surveil 1.

To solve — There are fifteen or more cards in your graveyard. (If unsolved, solve at the beginning of your end step.)

Solved — Whenever you cast a nonlegendary creature spell, copy that spell. (The copy becomes a token.)

When this enchantment enters and whenever you cast a spell from your graveyard, create a 1/1 blue Bird creature token with flying and "This token can block only creatures with flying."

When this enchantment enters, you become the monarch.

At the beginning of your upkeep, choose up to one other target enchantment or artifact. If you're the monarch, you may create a token that's a copy of it. If you're not the monarch, you may have this enchantment become a copy of it, except it has this ability.