Great Teacher's Decree [Dragons of Tarkir] Bird Argivian mechanic

Argivian mechanic

you and that player each create a 1/1 green and white Citizen creature token

If it comes up tails

Set: Premium Deck Series: Graveborn Type: Enchantment Rarity: Uncommon Cost: {1}{B} Discard two cards: Create a 2/2 black Zombie creature token

Set: World Championship Decks 1997 Type: Sorcery Rarity: Uncommon Cost: {1}{R}{R} Destroy target artifact or land

Great Teacher's Decree [Dragons of Tarkir] Bird Argivian mechanicSet: Dragons of Tarkir Type: Sorcery Rarity: Uncommon Cost: {3}{W} Creatures you control get +2 +1 until end of turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)