The Twelfth Doctor was a teacher, and to demonstrate that, he works with the Demonstrate ability, letting you copy a spell you cast from anywhere except your hand
1 Valgavoth, Harrower of Souls 1 The Lord of Pain 1 Persistent Constrictor 1 Sadistic Shell Game 1 Suspended Sentence 1 Barbflare Gremlin 1 Gleeful Arsonist 1 Spiked Corridor // Torture Pit 1 Star Athlete 1 Sance Board 1 Bedevil 1 Mogis, God of Slaughter 1 Braids, Arisen Nightmare 1 Decree of Pain 1 Fate Unraveler 1 Kederekt Parasite 1 Mask of Griselbrand 1 Massacre Girl 1 Massacre Wurm 1 Nightshade Harvester 1 Blasphemous Act 1 Brash Taunter 1 Chaos Warp 1 Combustible Gearhulk 1 Enchanter's Bane 1 Harsh Mentor 1 Rampaging Ferocidon 1 Tectonic Giant 1 Florian, Voldaren Scion 1 Kaervek the Merciless 1 Rakdos, Lord of Riots 1 Spiteful Visions 1 Stormfist Crusader 1 Theater of Horrors 1 Vial Smasher the Fierce 1 Basilisk Collar 1 Solemn Simulacrum 1 Blackcleave Cliffs 1 Canyon Slough 1 Dragonskull Summit 1 Exotic Orchard 1 Foreboding Ruins 1 Graven Cairns 1 Shadowblood Ridge 1 Shivan Gorge 1 Smoldering Marsh 1 Spinerock Knoll 1 Sulfurous Springs 1 Temple of Malice 1 Witch's Clinic 1 Fear of Burning Alive 1 Grab the Prize 1 Terramorphic Expanse 1 Blood Pact 1 Blood Seeker 1 Feed the Swarm 1 Arcane Signet 1 Lightning Greaves 1 Sol Ring 1 Command Tower 1 Bastion of Remembrance 1 Blood Artist 1 Falkenrath Noble 1 Gray Merchant of Asphodel 1 Infernal Grasp 1 Morbid Opportunist 1 Sign in Blood 1 Syr Konrad, the Grim 1 Light Up the Stage 1 Kardur, Doomscourge 1 Mayhem Devil 1 Rakdos Charm 1 Fellwar Stone 1 Mind Stone 1 Rakdos Signet 1 Talisman of Indulgence 1 Thought Vessel 1 Ash Barrens 1 Bloodfell Caves 1 Evolving Wilds 1 Geothermal Bog 1 Leechridden Swamp 1 Tainted Peak 1 Temple of the False God 8 Swamp 8 Mountain Endless Punishment Tokens 1 Human Soldier // Scarecrow token 9 Devil // Scarecrow tokens 0003a_MTGDSK_ComToken: Human Soldier // 0023b_MTGDSK_ComToken: Scarecrow 0007a_MTGDSK_ComToken: Devil // 0023b_MTGDSK_ComToken: Scarecrow Endless Punishment Scheme Cards When Will You Learn
Unfortunately, Captain Hook - Ruthless Pirate is mediocre: his willpower is relatively low for a seven-drop, so he will usually trade for two smaller characters, yielding an ink-negative trade
There are plenty of board wipes that cost six mana, making Catastrophe's cost not too high to pay
