Rishkar's Expertise [Aether Revolt Prerelease Promos] Phyrexian Horror Wingrattle Scarecrow has persist as

Wingrattle Scarecrow has persist as long as you control a black creature

it assembles two Contraptions instead

Set: Beta Edition Type: Creature — Shade Rarity: Common Cost: {2}{B} {B}: Frozen Shade gets +1/+1 until end of turn

with the same mocking look on their faceless skulls

There is much talk about the art of creation

Rishkar's Expertise [Aether Revolt Prerelease Promos] Phyrexian Horror Wingrattle Scarecrow has persist asSet: Aether Revolt Prerelease Promos Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost. "Control the Great Conduit? You might as well try to divert a river with your hands."