Pillar of Origins [Ixalan] Magic Player Rewards 2009 Each of those creatures attacks

Each of those creatures attacks that combat if able

Set: Shadows over Innistrad Type: Artifact Creature — Scarecrow Rarity: Common Cost: {3} When there were no more crows to scare

Set: Tenth Edition Type: Creature — Dryad Rarity: Rare Cost: {1}{G} Whenever you cast a spell that's white

That's the way to clear the deck

Pillar of Origins [Ixalan] Magic Player Rewards 2009 Each of those creatures attacksSet: Ixalan Type: Artifact Rarity: Uncommon Cost: {2} As Pillar of Origins enters the battlefield, choose a creature type. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.