Coveted Jewel [March of the Machine Commander] BT7-064 if at least seven mana

if at least seven mana was spent to cast it

put that many +1/+1 counters on target creature

this Digimon may attack)

Set: Duel Decks Anthology Type: Legendary Creature — Demon Spirit Rarity: Rare Cost: {6}{B}{B}{B} At the beginning of your upkeep

Set: Time Spiral Remastered Type: Artifact — Rarity: Rare Cost: {2} Creatures you control are Slivers in addition to their other creature types

Coveted Jewel [March of the Machine Commander] BT7-064 if at least seven manaSet: March of the Machine Commander Type: Artifact Rarity: Rare Cost: {6} When Coveted Jewel enters the battlefield, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.