Whenever this creature attacks, you may tap any number of untapped Humans you control
You may not copy the trigger that isnt on the stack yet, or one that has already left the stack (no matter if it resolved, was removed or countered)
Now that's some great value in going wide with creatures
They enter the battlefield with a number of defense counters on them equal to the defense value displayed in the lower righthand corner of the card
Unfair Stamp, which forces the opponent to draw only two cards while we draw five, is a great way to disrupt the opponents plans as we begin knocking out their board
Yes, many Trick or Trade cards have real value, especially those that are holo, cosmos holo, special stamped, or in top graded condition (PSA 10 or equivalent)