Wolverine Riders [Kaldheim Commander] Blue;Yellow choose a permanent owned by

choose a permanent owned by the voter and gain control of it

Set: Modern Masters 2015 Type: Creature — Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of -1/-1 counters

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

It now takes 20 Poison damage instead of 10 after each player's turn (even if it was already Poisoned)

Wolverine Riders [Kaldheim Commander] Blue;Yellow choose a permanent owned bySet: 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!"