(An ongoing scheme remains face up until it's abandoned.) Whenever a creature attacks and isn't blocked, if you're the defending player, create a 0/1 green Plant creature token that's blocking that creature. When four or more creatures attack you, abandon this scheme at end of combat.
NM-Mint - $2.30
Lightly Played - $2.10
Moderately Played - $1.80
Heavily Played - $1.60
Damaged - $1.20
NM-Mint Non English - $2.30
Lightly Played Non English - $2.10
Moderately Played Non English - $1.80
Heavily Played Non English - $1.60
Damaged Non English - $1.20