Sphinx of the Guildpact [Ravnica Allegiance] Pest choose a number between 0

choose a number between 0 and 7

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {3} {2}

Set: Morningtide Type: Legendary Creature — Elf Wizard Rarity: Rare Cost: {1}{B}{B} Players can't draw cards

Set: Starter 1999 Type: Sorcery Rarity: Rare Cost: {1}{G} You may play up to three additional lands this turn

Whenever Aetherstorm Roc attacks

Sphinx of the Guildpact [Ravnica Allegiance] Pest choose a number between 0Set: Ravnica Allegiance Type: Artifact Creature Sphinx Rarity: Uncommon Cost: {7} Sphinx of the Guildpact is all colors. Flying Hexproof from monocolored (This creature can't be the target of monocolored spells or abilities your opponents control.)