The Khopesh

+2: Tap target creature. Put a white, blue, and red 2/2 human rogue creature token with vigilance, haste, and double strike onto the battlefield
-10: Destroy target creature opponent controls with power 6 or less, or toughness 8 or less. Gain life equal to that creature's power and toughness.
-20: Search your library for a basic land, a sorcery, an instant, an enchantment, and a creature with power 3 or less. Then shuffle your library.