Skyspear Cavalry | Creature | Human Soldier | Flying
Double strike (This creature deals both first-strike and regular combat damage.) | Wayne Reynolds
Whitewater Naiads | Enchantment Creature | Nymph | Constellation — Whenever Whitewater Naiads or another enchantment enters the battlefield under your control, target creature can't be blocked this turn. | William Wu
Knowledge and Power | Enchantment | | Whenever you scry, you may pay {2}. If you do, Knowledge and Power deals 2 damage to any target. | Jung Park
Riddle of Lightning | Instant | | Choose any target. Scry 3, then reveal the top card of your library. Riddle of Lightning deals damage equal to that card's mana value to that permanent or player. | Daarken
Rollick of Abandon | Sorcery | | All creatures get +2/-2 until end of turn. | Mathias Kollros
Wildfire Cerberus | Creature | Dog | {5}{R}{R}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)
When Wildfire Cerberus becomes monstrous, it deals 2 damage to each opponent and each creature they control. | Slawomir Maniak
Nessian Game Warden | Creature | Beast | When Nessian Game Warden enters the battlefield, look at the top X cards of your library, where X is the number of Forests you control. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order. | Vincent Proce
Fleetfeather Cockatrice | Creature | Cockatrice | Flash (You may cast this spell any time you could cast an instant.)
Flying, deathtouch
{5}{G}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) | Matt Stewart