Nicol Bolas, Dragon-God (Japanese Alternate Art) [War of the Spark] Specter Kefnet the Mindful can't attack

Kefnet the Mindful can't attack or block unless you have seven or more cards in hand

then draw seven cards

they tap all lands with mana abilities they control and lose all unspent mana

Set: Odyssey Type: Enchantment Rarity: Rare Cost: {3}{U}{U} At the beginning of your upkeep

If that mana is spent on a creature spell

Nicol Bolas, Dragon-God (Japanese Alternate Art) [War of the Spark] Specter Kefnet the Mindful can't attackSet: War of the Spark Type: Legendary Planeswalker Bolas Rarity: Mythic Cost: {U}{B}{B}{B}{R} Nicol Bolas, Dragon God has all loyalty abilities of all other planeswalkers on the battlefield. +1: You draw a card. Each opponent exiles a card from their hand or a permanent they control. 3: Destroy target creature or planeswalker. 8: Each opponent who doesn't control a legendary creature or planeswalker loses the game.