(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.
Near Mint - $1.80
Lightly Played - $1.40
Moderately Played - $1.30
Heavily Played - $1.10
Damaged - $0.90
Near Mint Spanish - $1.80
Lightly Played Spanish - $1.40
Moderately Played Spanish - $1.30
Heavily Played Spanish - $1.10
Damaged Spanish - $0.90