Pact of Negation - The List (PLIST)Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game. Those who expect betrayal at every turn are seldom disappointed.

Dare to risk everything in battle

"Touch no tree

Flying {1}

Being defeated by a monster results in "bad stuff" which usually involves losing levels and treasure

You may have Glasspool Mimic enter the battlefield as a copy of a creature you control

Flying Landfall — Whenever a land enters the battlefield under your control

{T}: Stuffy Doll deals 1 damage to itself

) When Aven Riftwatcher enters or leaves the battlefield

That creature gains haste

Whenever you cast a creature spell

[−2]: You may sacrifice a creature

See pictures for details