Karn, Silver Golem [Arena League 1999] Vanguard Bands are blocked as a

Bands are blocked as a group

Set: Beta Edition Type: Land — Island Mountain Rarity: Rare ({T}: Add {U} or {R}

Set: Khans of Tarkir Prerelease Promos Type: Instant Rarity: Rare Cost: {R}{W} The next time a source of your choice would deal damage to you this turn

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

can attack in a band

Karn, Silver Golem [Arena League 1999] Vanguard Bands are blocked as aSet: Arena League 1999 Type: Legendary Artifact Creature Golem Rarity: Rare Cost: {5} Whenever Karn, Silver Golem blocks or becomes blocked, it gets 4 +4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn.