Frontier Siege [Starter Commander Decks] Snake Warrior you may change “nonblack creature”

you may change “nonblack creature” to “nongreen creature” or “forestwalk” to “islandwalk

Set: Commander 2011 Type: Land Rarity: Common Forgotten Cave enters the battlefield tapped

Set: Unstable Type: Enchantment Rarity: Rare Cost: {2}{W} {1}{W}

Set: Guilds of Ravnica Type: Legendary Planeswalker — Vraska Rarity: Mythic Cost: {5}{B}{G} +2: Put a +1/+1 counter on up to one target creature

if Hidden Stag is a creature

Frontier Siege [Starter Commander Decks] Snake Warrior you may change “nonblack creature”Set: Starter Commander Decks Type: Enchantment Rarity: Rare Cost: {3}{G} As Frontier Siege enters the battlefield, choose Khans or Dragons. Khans At the beginning of each of your main phases, add GG. Dragons Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.