Caller of the Untamed
Creature — Elf Shaman
Before you shuffle your deck to start the game, you may reveal this card from your deck and exile a creature card you drafted that isn't in your deck.
, 
: Create a token that's a copy of a card you exiled with cards named Caller of the Untamed. X is the mana value of that card.
Iain McCaig
Rulings
If you have more than one Caller of the Untamed in your deck, you may reveal any number of them and exile that many creature cards you drafted that aren’t in your deck. You’ll choose which one to copy at the time you choose the value of X while activating the ability.
(wotc • 2016-08-23)
If there is an {X} in the mana cost of the exiled creature card, that X is 0. Don’t confuse it with the {X} in the activation cost of Caller of the Untamed’s ability.
(wotc • 2016-08-23)
Rulings
If you have more than one Caller of the Untamed in your deck, you may reveal any number of them and exile that many creature cards you drafted that aren’t in your deck. You’ll choose which one to copy at the time you choose the value of X while activating the ability.
(wotc • 2016-08-23)
If there is an {X} in the mana cost of the exiled creature card, that X is 0. Don’t confuse it with the {X} in the activation cost of Caller of the Untamed’s ability.
(wotc • 2016-08-23)