Yidris, Maelstrom Wielder [Commander 2016] Angel Horror at the beginning of each

at the beginning of each of your upkeeps for the rest of the game

{T}: Add {G} or {W}

then put all cards exiled with Knowledge Vault into their owner's hand

if you control no creatures

When Kokusho

Yidris, Maelstrom Wielder [Commander 2016] Angel Horror at the beginning of eachSet: Commander 2016 Type: Legendary Creature Ogre Wizard Mythic Cost: {U}{B}{R}{G} Trample Whenever Yidris, Maelstrom Wielder deals combat damage to a player, as you cast spells from your hand this turn, they gain cascade. (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 order.)