Tamiyo, Compleated Sage

Compleated ({G/U/P} can be paid with {G}, {U}, or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)
[+1]: Tap up to one target artifact or creature. It doesn't untap during its controller's next untap step.
[−X]: Exile target nonland permanent card with mana value X from your graveyard. Create a token that's a copy of that card.
[−7]: Create Tamiyo's Notebook, a legendary colorless Book artifact token with "Spells you cast cost {2} less to cast" and "{T}: Draw a card."