Demonic Tutor (Topper) [Ultimate Masters Box Topper] Commander Anthology Whenever Cockatrice blocks or becomes

Whenever Cockatrice blocks or becomes blocked by a non-Wall creature

which thus is made/ A type of twin entity which springs/ From matter and light

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

(They can't be blocked as long as defending player controls an Island

Set: Sword & Shield: Shining Fates Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Demonic Tutor (Topper) [Ultimate Masters Box Topper] Commander Anthology Whenever Cockatrice blocks or becomesSet: Ultimate Masters Box Topper Type: Sorcery Rarity: Mythic Cost: {1}{B} Search your library for a card, put that card into your hand, then shuffle.