First strike Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Whenever a Samurai or Warrior you control attacks alone, you may pay {1}. When you do, attach this Equipment to it. Equipped creature gets +2/+1. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Whenever a Samurai or Warrior you control attacks alone, tap target creature you don't control.

Destroy up to one target artifact, enchantment, or tapped creature. Then if you control an artifact and an enchantment, create a 2/2 white Samurai creature token with vigilance.

This land enters tapped. Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {C}.

({T}: Add {W}.) This land enters tapped unless you control three or more other Plains. When this land enters untapped, put a +1/+1 counter on target creature you control.

({T}: Add {W}.)

Equipped creature gets +3/+1. Whenever equipped creature dies, return that card to the battlefield under your control if it's a Samurai card. When Oathkeeper is put into a graveyard from the battlefield, exile equipped creature. Equip {2}