Samara, Enigmatic Mentor

When Samara, Enigmatic Mentor enters the battlefield, create a 3/3 Golem token.
At the beginning of combat on your turn, place a
kind of counter at random from among flying,
first strike, deathtouch, hexproof, lifelink,
menace, reach, trample, vigilance, and +1/+1 on
target artifact creature you control.
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"She knows what she's doing... I hope."