by Tomigon on Feb 19, 2018
Leyline of Chaos
If Leyline of Chaos is in your opening hand, you may begin the game
with it on the battlefield.
As you cast spells with converted mana cost 3 or greater during your turn, they gain cascade and "When you cast this spell, flip a coin. If you lose the flip, counter all spells." (When you cast the spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random orde