Wolverine Riders [Kaldheim Commander] Blue;Yellow Set: Double Masters Type: Artifact

Set: Double Masters Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

and the sea takes

or Mountain card

create a 5/5 white Horse creature token

if there are cards exiled with Valakut Exploration

Wolverine Riders [Kaldheim Commander] Blue;Yellow Set: Double Masters Type: ArtifactSet: Kaldheim Commander Type: Creature Elf Warrior Rarity: Rare Cost: {4}{G}{G} At the beginning of each upkeep, create a 1 1 green Elf Warrior creature token. Whenever another Elf enters the battlefield under your control, you gain life equal to its toughness. "We'll break their lines. The rest of you, follow!"