Altar of Dementia (Retro) [The Brothers' War Retro Artifacts] H15 Other cards can provide temporary

Other cards can provide temporary boosts while in play (for example

with descriptions

Set: Double Masters Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

Look upon them and see the signs: pus seeping from festering wounds that never heal

but under their clothes

Altar of Dementia (Retro) [The Brothers' War Retro Artifacts] H15 Other cards can provide temporarySet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power. It is not that you will go mad. It is that you will beg for madness. Volrath