Ornitharch | Creature | Archon | Flying
Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)
When Ornitharch enters the battlefield, if tribute wasn't paid, create two 1/1 white Bird creature tokens with flying. | Clint Cearley
Siren of the Fanged Coast | Creature | Siren | Flying
Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)
When Siren of the Fanged Coast enters the battlefield, if tribute wasn't paid, gain control of target creature. | Michael C. Hayes
Sanguimancy | Sorcery | | You draw X cards and you lose X life, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) | Dave Kendall
Shrike Harpy | Creature | Harpy | Flying
Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)
When Shrike Harpy enters the battlefield, if tribute wasn't paid, target opponent sacrifices a creature. | Christopher Moeller
Akroan Conscriptor | Creature | Human Shaman | Heroic — Whenever you cast a spell that targets Akroan Conscriptor, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn. | James Ryman
Mischief and Mayhem | Sorcery | | Up to two target creatures each get +4/+4 until end of turn. | Zack Stella
Nessian Demolok | Creature | Beast | Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)
When Nessian Demolok enters the battlefield, if tribute wasn't paid, destroy target noncreature permanent. | Daarken
Raised by Wolves | Enchantment | Aura | Enchant creature
When Raised by Wolves enters the battlefield, create two 2/2 green Wolf creature tokens.
Enchanted creature gets +1/+1 for each Wolf you control. | Raymond Swanland