Innocuous Researcher (Extended Art) [Murders at Karlov Manor Commander] Human Rogue Mercenary Serpentine Spike deals 2 damage

Serpentine Spike deals 2 damage to target creature

but I say the best way is all smashed together between two slug chips

Set: Commander 2013 Type: Artifact Rarity: Rare Cost: {7} When Spine of Ish Sah enters the battlefield

if Lightning Coils has five or more charge counters on it

When Siege Rhino enters the battlefield

Innocuous Researcher (Extended Art) [Murders at Karlov Manor Commander] Human Rogue Mercenary Serpentine Spike deals 2 damageSet: Murders at Karlov Manor Commander Type: Creature Centaur Detective Rarity: Rare Cost: {3}{G} Parley Whenever Innocuous Researcher attacks, each player reveals the top card of their library. For each nonland card revealed this way, you investigate. Then each player draws a card. At the beginning of your end step, you may untap all lands you control. If you do, you can't cast spells until your next turn.