What spells would be the most diabolical to copy with The Twelfth Doctor’s Demonstrate ability? | tcgmode

I am trying to make a Kamikaze deck with The Twelfth Doctor and Vislor Turlough as commanders. Someone at my local game store made one that played lots of spells that trigger on top of themselves and make the game practically unplayable in a really fun way. What are some good cards to play that...