Creature — Kithkin Soldier 2/2, 2W (3)
Rare
First strike
Whenever Preeminent Captain attacks, you may put a Soldier creature card from your hand onto the battlefield tapped and attacking.
"If you need an example to lead others to the front lines, consider the precedent set."
Illus. Greg Staples

4/1/2008: If you use the ability, the Soldier creature enters the battlefield attacking. It doesn't trigger "when a creature attacks" triggers and is not subject to restrictions on declaring attackers.
4/1/2008: If you use the ability, you choose which player or planeswalker the Soldier creature is attacking. It doesn't have to attack the same player or planeswalker as Preeminent Captain.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern