Mob Rule [Innistrad: Crimson Vow Commander] Human Noble Hero Whenever Xantid Swarm attacks

Whenever Xantid Swarm attacks

it deals double that damage to that permanent or player instead

Set: Murders at Karlov Manor Commander Type: Instant Rarity: Rare Cost: {3}{W} Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control

A step in one direction is two steps away from another

Mob Rule [Innistrad: Crimson Vow Commander] Human Noble Hero Whenever Xantid Swarm attacksSet: Innistrad: Crimson Vow Commander Type: Sorcery Rarity: Rare Cost: {4}{R}{R} Choose one Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn. Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn.