Tree of Perdition

Defender
{T}: Exchange target opponent's life total with Tree of Perdition's toughness.

Brave the Sands

Creatures you control have vigilance.
Each creature you control can block an additional creature each combat.

Doran, the Siege Tower

Each creature assigns combat damage equal to its toughness rather than its power.

Colfenor, the Last Yew

Vigilance, reach
Whenever Colfenor, the Last Yew or another creature you control dies, return up to one other target creature card with lesser toughness from your graveyard to your hand.

Eerie Ultimatum

Return any number of permanent cards with different names from your graveyard to the battlefield.

Tower Defense

Creatures you control get +0/+5 and gain reach until end of turn.