Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
NM-Mint - $2.70
Lightly Played - $2.50
Moderately Played - $2.40
Heavily Played - $2.10
Damaged - $1.70
NM-Mint Non English - $2.70
Lightly Played Non English - $2.50
Moderately Played Non English - $2.40
Heavily Played Non English - $2.10
Damaged Non English - $1.70