Walking Ballista (181) [Aether Revolt] 6ED they're treated as though they

they're treated as though they don't exist

at the beginning of each of your upkeeps for the rest of the game

−9: You get an emblem with "At the beginning of your end step

horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Rare Cost: {W} Creatures your opponents control enter the battlefield tapped

Walking Ballista (181) [Aether Revolt] 6ED they're treated as though theySet: Aether Revolt 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.