Beast of Burden [Urza's Legacy]Set: Urza's Legacy Type: Artifact Creature Golem Rarity: Rare Cost: {6} Beast of Burden's power and toughness are each equal to the number of creatures on the battlefield. "If it is meant to be nothing but a machine," Karn finally asked Jhoira, "why did Urza build it to be like me?"

If there are no mining counters on Gemstone Mine

Set: Neo Revelation 1st Edition Type: Lightning Rarity: Rare

Set: Neo Discovery Unlimited Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

One razorclaw is three bears too many

you may have target attacking creature gain double strike until end of turn

untap Pristine Skywise

Set: Black & White: Noble Victories Type: Colorless Rarity: Secret Rare Retreat cost: Colorless

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: Expedition: Base Set Type: Fire Rarity: Uncommon Retreat cost: Colorless

Set: XY: Base Set Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: EX: Hidden Legends Type: Psychic Rarity: Uncommon Retreat cost: Colorless

When Knight of the White Orchid enters the battlefield