Ulvenwald Observer [Eldritch Moon Prerelease Promos] Legends When you have all 3

When you have all 3 Sarcophagus cards on your side of the field

Set: Sun & Moon: Trainer Kit - Alolan Sandslash Type: Metal Rarity: Promo Retreat cost: Colorless

that you can place a Spell Counter on

Set: Sword & Shield: Base Set Type: Lightning Rarity: Rare Retreat cost: Colorless

if a face-up "Nekroz" or "Zefra" card(s)

Ulvenwald Observer [Eldritch Moon Prerelease Promos] Legends When you have all 3Set: Eldritch Moon Prerelease Promos Type: Creature Treefolk Rarity: Rare Cost: {4}{G}{G} Whenever a creature you control with toughness 4 or greater dies, draw a card. "I tell you, the trees were closing in! It's by the grace of the Heron alone that I made it out of the Ulvenwald!" Ricton, traveling merchant