Bulk Up | Instant | | Double target creature's power until end of turn.
Flashback {4}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | Warren Mahy
Goblin Negotiation | Sorcery | | Goblin Negotiation deals X damage to target creature. Create a number of 1/1 red Goblin creature tokens equal to the amount of excess damage dealt to that creature this way. | Svetlin Velinov
Slumbering Cerberus | Creature | Dog | This creature doesn't untap during your untap step.
Morbid — At the beginning of each end step, if a creature died this turn, untap this creature. | Kari Christensen
Abrade | Instant | | Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact. | Jonas De Ro
Heartfire Immolator | Creature | Human Wizard | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{R}, Sacrifice Heartfire Immolator: It deals damage equal to its power to target creature or planeswalker. | Donato Giancola
Balmor, Battlemage Captain | Legendary Creature | Bird Wizard | Flying
Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 and gain trample until end of turn. | Bram Sels
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