Sacrifice [Collectors' Edition] Explorers of Ixalan {2}{U}{R}: Draw a card

{2}{U}{R}: Draw a card

Set: International Collectors' Edition Type: Instant Rarity: Uncommon Cost: {G} Cast this spell only before the combat damage step

Set: Portal Three Kingdoms Type: Creature — Cat Rarity: Uncommon Cost: {2}{G}{G} Forestwalk (This creature can't be blocked as long as defending player controls a Forest

but I didn't expect it from the building itself

Sacrifice [Collectors' Edition] Explorers of Ixalan {2}{U}{R}: Draw a cardSet: Collectors' Edition Type: Instant Rarity: Uncommon Cost: {B} As an additional cost to cast this spell, sacrifice a creature. Add an amount of {B} equal to the sacrificed creature's mana value.