green room cards mtg My Lair you may pay the mana cost of a locked door to unlock it.) Creature spells you cast have convoke Rancor FOIL Urza's Legacy Green

This is a great choice, albeit one thats not discounted

Choosing The Right Attractions Not all attractions are created equal -- Information Booth is going to give us more value than a Spinny Ride, for example -- but for our purposes, that doesn't matter: we're going to run all 22 Commander-legal attractions because Myra the Magnificent can easily open all of them up and what the attractions themselves do matters way less than the fact that they 1) are artifacts 2) can be imprinted with spells with Myra

You get the trigger when it enters the battlefield, and with black, there will be many ways to bring it back from the graveyard when it dies to do it all over again, even if you dont make it monstrous

The first version of Summon cards that I was happy with were creatures with vanishing and an ability that triggered when you sacrificed them