Walking Ballista [Aether Revolt] Sphinx Duplicant has the power

Duplicant has the power

−8: You get an emblem with "Whenever an opponent casts their first spell each turn

Set: Legends Type: Legendary Creature — Elder Dragon Rare Cost: {2}{B}{B}{R}{R}{G}{G} Flying At the beginning of your upkeep

−6: Untap up to two target lands you control

"I'm too modest a wizard to reveal the full extent of my abilities

Walking Ballista [Aether Revolt] Sphinx Duplicant has the powerSet: Aether Revolt Type: Artifact Creature Construct 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.