Your search for "Invasion Plans 7107" revealed the following:
Invasion Plans (STH) from Stronghold, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Pete Venters Card Text:Each creature blocks whenever able.Attacking player chooses how each creature blocks. (All blocking assignments must still be legal.)
Invasion Plans - STH Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Pete Venters Card Text:Each creature blocks whenever able.Attacking player chooses how each creature blocks. (All blocking assignments must still be legal.)...