Cold-Eyed Selkie [Commander 2015] 026 where X is the sacrificed

where X is the sacrificed permanent's mana value

Set: Urza's Legacy Type: Creature — Wolf Rarity: Uncommon Cost: {2}{G} You may have Lone Wolf assign its combat damage as though it weren't blocked

look at the top card of an opponent's library

Set: Sword & Shield: Evolving Skies Type: Dragon Rarity: Ultra Rare Retreat cost: 0

Set: Kaldheim Type: Legendary Creature — Human Warrior Rarity: Uncommon Cost: {2}{G}{W}{W} Other creatures you control get +1/+1

Cold-Eyed Selkie [Commander 2015] 026 where X is the sacrificedSet: Commander 2015 Type: Creature Merfolk Rogue Rarity: Rare Cost: {1}{G U}{G U} Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever Cold Eyed Selkie deals combat damage to a player, you may draw that many cards. She follows the old tributaries built when merrows still shaped the tides.