Shriekmaw [Commander 2014] The New Challengers You can only use this

You can only use this effect of "Soul Servant" once per turn

you may ask target player a yes-or-no question

When Tribal Forcemage is turned face up

Set: Commander Anthology Type: Creature — Beast Rarity: Rare Cost: {4}{G}{G} Trample

Exile Spelltwine

Shriekmaw [Commander 2014] The New Challengers You can only use thisSet: Commander 2014 Type: Creature Elemental Rarity: Uncommon Cost: {4}{B} Fear (This creature can't be blocked except by artifact creatures and or black creatures.) When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature. Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)