Teferi, Time Raveler [War of the Spark Prerelease Promos] The Lost Caverns of Ixalan Art Series If that spell's mana value

If that spell's mana value is 10 or greater

Whenever you play a land

Set: Zendikar Rising Type: Instant Rarity: Uncommon Cost: {U} Counter target noncreature spell unless its controller pays {1} plus an additional {1} for each creature in your party

{4}{G}: Put a +1/+1 counter on target creature

Teferi, Time Raveler [War of the Spark Prerelease Promos] The Lost Caverns of Ixalan Art Series If that spell's mana valueSet: War of the Spark Prerelease Promos Type: Legendary Planeswalker Teferi Rarity: Rare Cost: {1}{W}{U} Each opponent can cast spells only any time they could cast a sorcery. +1: Until your next turn, you may cast sorcery spells as though they had flash. 3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.