Walking Ballista (Future Sight) [Mystery Booster 2] Human Druid the cultists' terrible smiles only

the cultists' terrible smiles only grew wider

If X is greater than or equal to the number of cards in your library

Set: Mystery Booster 2 Type: Legendary Creature — Phyrexian Minion Rarity: Rare Cost: {1}{B}{R} Xantcha

Landfall — Whenever a land you control enters

Walking Ballista (Future Sight) [Mystery Booster 2] Human Druid the cultists' terrible smiles onlySet: Mystery Booster 2 Type: Artifact Creature Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters 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.