If you somehow control Glacierwood Siege and no choice was made for it (perhaps because another permanent on the battlefield became a copy of it), it has neither of the two abilities
Its just very hard to argue with a big old group of Creatures that are massive, flying, and keep becoming increasingly numerous
There is a catch, though, as the spell must be cast at the beginning of your first main phase, and it's treated as any other spell, meaning the free copies can be countered
That is not enough to get it playable which is no shock given that Springleaf Drum has never shone in cube and had very little time within cubes
This card can provide additional removal and combat advantage by allowing a creature to deal damage to both the opponent and their creatures simultaneously
This Naya commander isnt necessarily fun to play against on its own, but it can be built in a way that adds a very fun element to the game