Ember Swallower [Theros Prerelease Promos] Human Mercenary you may add an amount

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

add 1 "Dark World" card from your Deck to your hand

you can reveal and Set 1 Spell/Trap directly from your Deck

Add X mana in any combination of {B} and/or {R}

Set: Hidden Arsenal Card type: Normal Spell Rarity: Secret Rare Attack: 0 Defense: 0 Select 1 face-up "Elemental Hero Neos" you control

Ember Swallower [Theros Prerelease Promos] Human Mercenary you may add an amountSet: Theros Prerelease Promos Type: Creature Elemental Rarity: Rare Cost: {2}{R}{R} {5}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1 +1 counters on it and it becomes monstrous.) When Ember Swallower becomes monstrous, each player sacrifices three lands.