Bolas's Citadel [War of the Spark] GG43 reveal that card

reveal that card

Set: 30th Anniversary Edition Type: Creature — Troll Rarity: Uncommon Cost: {2}{R} {R}: Regenerate Uthden Troll

[On Play] Return up to 1 Character with a cost of 6 or less to the owner's hand

Set: Sun & Moon: Unified Minds Type: Fighting Rarity: Promo Retreat cost: 0

Set: 30th Anniversary Edition Type: Enchantment — Aura Rarity: Rare Cost: {W} Enchant Wall

Bolas's Citadel [War of the Spark] GG43 reveal that cardSet: War of the Spark 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.