Wilds of Eldraine

Boundary Lands Ranger | Creature | Human Ranger | At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may discard a card. If you do, draw a card. | Pascal Quidault

Charming Scoundrel | Creature | Human Rogue | Haste When Charming Scoundrel enters the battlefield, choose one — • Discard a card, then draw a card. • Create a Treasure token. • Create a Wicked Role token attached to target creature you control. | Caroline Gariba

Grand Ball Guest | Creature | Human Peasant | Celebration — Grand Ball Guest gets +1/+1 and has trample as long as two or more nonland permanents entered the battlefield under your control this turn. | Leanna Crossan

Raging Battle Mouse | Creature | Mouse | The second spell you cast each turn costs {1} less to cast. Celebration — At the beginning of combat on your turn, if two or more nonland permanents entered the battlefield under your control this turn, target creature you control gets +1/+1 until end of turn. | Rudy Siswanto

Ratcatcher Trainee | Creature | Human Peasant | As long as it's your turn, Ratcatcher Trainee has first strike. | Michele Giorgi

Skewer Slinger | Creature | Dwarf Knight | Reach Whenever Skewer Slinger blocks or becomes blocked by a creature, Skewer Slinger deals 1 damage to that creature. | Edgar Sánchez Hidalgo

Tattered Ratter | Creature | Human Peasant | Whenever a Rat you control becomes blocked, it gets +2/+0 until end of turn. | Tyler Walpole

Picnic Ruiner | Creature | Goblin Rogue | Whenever Picnic Ruiner attacks while you control a creature with power 4 or greater, Picnic Ruiner gains double strike until end of turn. | Edgar Sánchez Hidalgo

Scalding Viper | Creature | Elemental Snake | Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player. | Andrew Mar

Ash, Party Crasher | Legendary Creature | Human Peasant | Haste Celebration — Whenever Ash, Party Crasher attacks, if two or more nonland permanents entered the battlefield under your control this turn, put a +1/+1 counter on Ash. | Jason Rainville

Agatha of the Vile Cauldron | Legendary Creature | Human Warlock | Activated abilities of creatures you control cost X less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana. {4}{R}{G}: Other creatures you control get +1/+1 and gain trample and haste until end of turn. | Jason A. Engle

Ruby, Daring Tracker | Legendary Creature | Human Scout | Haste Whenever Ruby, Daring Tracker attacks while you control a creature with power 4 or greater, Ruby gets +2/+2 until end of turn. {T}: Add {R} or {G}. | Ekaterina Burmak