Dragon Arch

{2}, {T}: You may put a multicolored creature card from your hand onto the battlefield.

Skeleton Archer

When Skeleton Archer enters the battlefield, it deals 1 damage to any target.

Atraxa, Praetors' Voice

Flying, vigilance, deathtouch, lifelink
At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Nature's Claim

Destroy target artifact or enchantment. Its controller gains 4 life.