Wooper (SV9/SV94) [Sun & Moon: Hidden Fates - Shiny Vault]Set: Sun & Moon: Hidden Fates Shiny Vault Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Whenever Qasali Slingers or another Cat enters the battlefield under your control

It is imperative that its maker be found

Set: Limited Edition Alpha Type: Instant Rarity: Common Cost: {R} Choose one —

you may add one mana of any color

Set: Diamond & Pearl: Black Star Promos Type: Psychic Rarity: Black Star Promo Retreat cost: Colorless

Set: Zendikar Rising Expeditions Type: Land Rarity: Mythic Sea of Clouds enters the battlefield tapped unless you have two or more opponents

Sarcomancy deals 1 damage to you

Set: HeartGold & SoulSilver: Call of Legends Type: Grass Rarity: Holo Rare Retreat cost: Colorless

The glow from within looks inviting

Set: Arabian Nights Type: Land Rarity: Rare {T}: Target creature with flying has base power 0 until end of turn

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Zombie Rarity: Mythic Cost: {B}{B} Menace (This creature can't be blocked except by two or more creatures

As long as Siege Behemoth is attacking