Teferi's Puzzle Box [Seventh Edition] Unicorn −8: You get an emblem

−8: You get an emblem with "Whenever an opponent casts their first spell each turn

The more you pay for the lesson

Now we must collect on our debt

Set: Core Set 2019 Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {1}{U}{B}{R} Flying

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

Teferi's Puzzle Box [Seventh Edition] Unicorn −8: You get an emblemSet: Seventh Edition Type: Artifact Rarity: Rare Cost: {4} At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.