It's an artifact with ", Sacrifice this artifact: Draw a card.") First and foremost, Investigate is a keyword action that tells you to create a Clue token
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This is, hands-down, the most popular way to build a deck
Akroma's Will Ancient Copper Dragon Atraxa, Grand Unifier Gix, Yawgmoth Praetor Kinnan, Bonder Prodigy Najeela, the Blade-Blossom Nyxbloom Ancient Purphoros, God of the Forge Ragavan, Nimble Pilferer Ranger-Captain of Eos Rhystic Study Thrasios, Triton Hero Urza, Lord High Artificer Vial Smasher the Fierce Yawgmoth, Thran Physician
Chances are, you'll end up with a weaker version of your own creature if you Deadpool it, since he'll retain his stat line
// Tamiyo, Seasoned Scholar Legendary Planeswalker Tamiyo 2 +2: Until your next turn, whenever a creature attacks you or a planeswalker you control, it gets -1/-0 until end of turn