Bolas's Citadel [War of the Spark Prerelease Promos] Grass[×2] that player adds one mana

that player adds one mana of any type that land produced

Remove a +1/+1 counter from Benevolent Hydra: Put a +1/+1 counter on another target creature you control

Set: Sword & Shield: Chilling Reign Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: Neo Revelation 1st Edition Type: Water Rarity: Rare Retreat cost: Colorless

Bolas's Citadel [War of the Spark Prerelease Promos] Grass[×2] that player adds one manaSet: War of the Spark Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {3}{B}{B}{B} You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.