Vintage tournaments (see Rule 911) banned this card until 2005/10/20 because it only appears in Portal and Starter.
Legacy tournaments (see Rule 911) banned this card until 2005/10/20 because it only appears in Portal and Starter.
Extended tournaments (see Rule 913) have always banned this card.
Standard (Type 2) tournaments (see Rule 914) have always banned this card.
Note - The Portal version had no creature type. Then with Starter it became "Soldier". Then with Oracle 2007/10/01 it became "Human Soldier". Then with Oracle 2008/01/01 it became "Elf Soldier".