Whenever a Samurai or Warrior you control attacks alone, you may discard a card. If you do, draw a card.

Whenever a Samurai or Warrior you control attacks alone, it gets +1/+1 until end of turn.

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

Menace (This creature can't be blocked except by two or more creatures.) Whenever a Samurai or Warrior you control attacks alone, the next spell you cast this turn costs {1} less to cast.

When this creature enters or dies, put a +1/+1 counter on target creature or Vehicle you control.

Vigilance (Attacking doesn't cause this creature to tap.) Channel — {2}, Discard this card: Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Enchant artifact or creature As long as enchanted permanent is a creature, it gets +2/+2 and has menace. (It can't be blocked except by two or more creatures.) When this Aura leaves the battlefield, create a 2/2 red Spirit creature token with menace.

({T}: Add {R}.)

({T}: Add {W}.)