Circular Logic [Mystery Booster] Condition:Heavily Played Atarka's presence thaws the glaciers

Atarka's presence thaws the glaciers of Qal Sisma

and has "At the beginning of your upkeep

Some elves believe that their survival instincts are born of many cycles of reincarnation

Set: Ravnica Allegiance Prerelease Promos Type: Creature — Skeleton Warrior Rarity: Rare Cost: {B} Gutterbones enters the battlefield tapped

Set: Oversize Cards Rarity: Rare Pyroclasm deals 2 damage to each creature

Circular Logic [Mystery Booster] Condition:Heavily Played Atarka's presence thaws the glaciersSet: Mystery Booster Type: Instant Rarity: Uncommon Cost: {2}{U} Counter target spell unless its controller pays {1} for each card in your graveyard. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)