Walking Ballista [Double Masters] XY02 Sacrifice Memory Jar: Each player

Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards

you might as well trade it for something else

Activate only during your upkeep

Set: War of the Spark Promos Type: Legendary Planeswalker — Kiora Rarity: Uncommon Cost: {2}{G/U} Whenever a creature with power 4 or greater enters the battlefield under your control

Set: War of the Spark Promos Type: Legendary Planeswalker — Kaya Rarity: Uncommon Cost: {3}{W/B}{W/B}{W/B} Your opponents and permanents your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof

Walking Ballista [Double Masters] XY02 Sacrifice Memory Jar: Each playerSet: 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.