Cairn, Nature's Authority

Defender
Landfall — Add one mana of any color that land could produce
When you cast your first Creature Spell each turn with converted mana cost {4} or greater that creature enters the battlefield with a number of +1/+1 counters on it Equal to its Toughness.
When you cast your first creature spell of converted mana cost {3} or less create a token that's a copy of that creature.