Walking Ballista [Double Masters] World Championship Decks 2004 Set: Unlimited Edition Type: Instant

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {B}{B} Look at target opponent's hand and choose a card from it

if you control the artifact with the highest mana value or tied for the highest mana value

The night I think is best for hiding all

Set: Dominaria Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

For each card of the chosen color exiled this way

Walking Ballista [Double Masters] World Championship Decks 2004 Set: Unlimited Edition Type: InstantSet: Double Masters Type: Artifact Creature Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1 +1 counters on it. {4}: Put a +1 +1 counter on Walking Ballista. Remove a +1 +1 counter from Walking Ballista: It deals 1 damage to any target.