
Dragonlord Atarka | Legendary Creature | Elder Dragon | Flying, trample
When Dragonlord Atarka enters, it deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control. | Karl Kopinski

Ghor-Clan Rampager | Creature | Beast | Trample
Bloodrush — {R}{G}, Discard Ghor-Clan Rampager: Target attacking creature gets +4/+4 and gains trample until end of turn. | Charles Urbach

Ruric Thar, the Unbowed | Legendary Creature | Ogre Warrior | Vigilance, reach
Ruric Thar, the Unbowed attacks each combat if able.
Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player. | Tyler Jacobson

Zendikar Incarnate | Creature | Elemental | Zendikar Incarnate's power is equal to the number of lands you control. | Lucas Graciano

Rubblebelt Raiders | Creature | Human Warrior | Whenever Rubblebelt Raiders attacks, put a +1/+1 counter on it for each attacking creature you control. | Chippy

Xenagos, God of Revels | Legendary Enchantment Creature | God | Indestructible
As long as your devotion to red and green is less than seven, Xenagos isn't a creature.
At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power. | Jason Chan

Chromanticore | Enchantment Creature | Manticore | Bestow {2}{W}{U}{B}{R}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying, first strike, vigilance, trample, lifelink
Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink. | Min Yum