Gollum's Bite [LTR - 85] Commander The Lost Caverns of Ixalan Whenever Giant Beaver attacks while

Whenever Giant Beaver attacks while saddled

Sacrifice another artifact or creature: Put a +1/+1 counter on Dreadmobile

If you're the monarch

and is an Assassin in addition to its other types

Gollum's Bite [LTR - 85] Commander The Lost Caverns of Ixalan Whenever Giant Beaver attacks whileRarity: U #: 85 Creature Type or Sub Type: Instant Rules Text Contains: Target creature gets 2 2 until end of turn. 3B, Exile Gollum's Bite from your graveyard: The Ring tempts you. Activate only as a sorcery. Flavor: "It was pity that stayed Bilbo's hand. Do not be too eager to deal out death in judgement; Gollum has some part to play yet, before the end." Gandalf, to Frodo