Thought-Knot Seer [Oath of the Gatewatch Prerelease Promos] ARC046-S if you have none

if you have none

Set: Black & White: Dragon Vault Type: Dragon Rarity: Holo Rare Retreat cost: 3

If you don't or can't make an exchange

Set: Welcome to Rathe Edition: Alpha Print Finish: Rainbow Foil Type: Action Subtype: Attack Rarity: Rare Class: Ninja Cost: 0 Power: 4 Combo - If Open the Center was the last attack this combat chain

Set: Diamond & Pearl: Legends Awakened Type: Colorless Rarity: Uncommon Retreat cost: Colorless

Thought-Knot Seer [Oath of the Gatewatch Prerelease Promos] ARC046-S if you have noneSet: Oath of the Gatewatch Prerelease Promos Type: Creature Eldrazi Rarity: Rare Cost: {3}{C} ({C} represents colorless mana.) When Thought Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from it and exile that card. When Thought Knot Seer leaves the battlefield, target opponent draws a card.