Bloodthorn Taunter

Haste
{T}: Target creature with power 5 or greater gains haste until end of turn.

Mountain

Godsire

Vigilance
{T}: Create an 8/8 Beast creature token that's red, green, and white.

Mayael's Aria

At the beginning of your upkeep, put a +1/+1 counter on each creature you control if you control a creature with power 5 or greater. Then you gain 10 life if you control a creature with power 10 or greater. Then you win the game if you control a creature with power 20 or greater.

Spearbreaker Behemoth

Indestructible
{1}: Target creature with power 5 or greater gains indestructible until end of turn.

Mayael the Anima

{3}{R}{G}{W}, {T}: Look at the top five cards of your library. You may put a creature card with power 5 or greater from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Knotvine Mystic

Sacellum Godspeaker

{T}: Reveal any number of creature cards with power 5 or greater from your hand. Add {G} for each card revealed this way.

Enlisted Wurm

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Jungle Shrine

Jungle Shrine enters the battlefield tapped.
{T}: Add {R}, {G}, or {W}.

Mycoid Shepherd

Whenever Mycoid Shepherd or another creature you control with power 5 or greater dies, you may gain 5 life.

Plains

Naya Panorama

{T}: Add {C}.
{1}, {T}, Sacrifice Naya Panorama: Search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle.

Rakeclaw Gargantuan

{1}: Target creature with power 5 or greater gains first strike until end of turn.

Trace of Abundance

Enchant land
Enchanted land has shroud. (It can't be the target of spells or abilities.)
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Woolly Thoctar

Soul's Majesty

Draw cards equal to the power of target creature you control.

Forest

Beacon Behemoth

{1}: Target creature with power 5 or greater gains vigilance until end of turn.

Meglonoth

Vigilance, trample
Whenever Meglonoth blocks a creature, Meglonoth deals damage to that creature's controller equal to Meglonoth's power.