Sinkhole [International Collectors' Edition] Portal Second Age Set: Unlimited Edition Type: Artifact

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {0} {T}

Set: Zendikar Expeditions Type: Legendary Land Rarity: Mythic Colorless Eldrazi spells you cast cost {2} less to cast

Set: Arabian Nights Type: Instant Rarity: Common Cost: {G} Sandstorm deals 1 damage to each attacking creature

but it may also be the key step in completing the ritual that has already begun

Counters aren't removed from your permanents due to game rules

Sinkhole [International Collectors' Edition] Portal Second Age Set: Unlimited Edition Type: ArtifactSet: International Collectors' Edition Type: Sorcery Rarity: Common Cost: {B}{B} Destroy target land.