Zilortha, Strength Incarnate

Trample
Lethal damage dealt to creatures you control is determined by their power rather than their toughness.

Treeshaker Chimera

All creatures able to block this creature do so.
When this creature dies, draw three cards.

Challenger Troll

Each creature you control with power 4 or greater can't be blocked by more than one creature.

Phytotitan

When this creature dies, return it to the battlefield tapped under its owner's control at the beginning of their next upkeep.

Garruk's Packleader

Whenever another creature you control with power 3 or greater enters, you may draw a card.

Siege Behemoth

Hexproof
As long as this creature is attacking, for each creature you control, you may have that creature assign its combat damage as though it weren't blocked.