Sheoldred, Whispering One [The List] Kaladesh Promos Set: Rivals of Ixalan Promos

Set: Rivals of Ixalan Promos Type: Creature — Merfolk Warrior Rarity: Rare Cost: {1}{G} Whenever another Merfolk enters the battlefield under your control

For each counter removed this way

Set: Secret Lair Drop Series Type: Artifact Rarity: Rare Cost: {3} Lands you control have "{T}: Add one mana of any color

but on their tactical skills

Then each player loses life and discards cards equal to the number of permanents they control but don't own

Sheoldred, Whispering One [The List] Kaladesh Promos Set: Rivals of Ixalan PromosSet: The List Type: Legendary Creature Phyrexian Praetor Rarity: Mythic Cost: {5}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature.