The Mirari Conjecture

+1: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it. −1: Put a card you own with a silver counter on it from exile into your hand. −2: Create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

+1: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it. −1: Put a card you own with a silver counter on it from exile into your hand. −2: Create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

Vigilance Creatures can't attack you or planeswalkers you control unless their controller pays 1 for each of those creatures.

Other creatures you control get +1/+1.

Other creatures you control get +1/+1.

First strike, vigilance, lifelink Aura and Equipment spells you cast cost 1 less to cast.

When this creature enters, you may return target artifact card from your graveyard to your hand. Whenever you cast a historic spell, put a +1/+1 counter on this creature. (Artifacts, legendaries, and Sagas are historic.)

Lifelink 4: Exchange your life total with Evra's power.