Ornamental Courage

Untap target creature. It gets +1/+3 until end of turn.

Sudden Spinnerets

Target creature gets +1/+3 until end of turn. Put a reach counter on it. Untap it.

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Copperhorn Scout

Whenever Copperhorn Scout attacks, untap each other creature you control.

Rancor

Enchant creature
Enchanted creature gets +2/+0 and has trample.
When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

Patriar's Seal

{T}: Add one mana of any color.
{1}, {T}: Untap target legendary creature you control.

Burst of Strength

Put a +1/+1 counter on target creature and untap it.

Benefactor's Draught

Untap all creatures. Until end of turn, whenever a creature an opponent controls blocks, draw a card.
Draw a card.

Savage Surge

Target creature gets +2/+2 until end of turn. Untap that creature.

Gift of the Viper

Put a +1/+1 counter, a reach counter, and a deathtouch counter on target creature. Untap it.

Relic of Legends

{T}: Add one mana of any color.
Tap an untapped legendary creature you control: Add one mana of any color.

High Stride

Target creature gets +1/+3 and gains reach until end of turn. Untap it.

Stony Strength

Put a +1/+1 counter on target creature you control. Untap that creature.

Steady Aim

Untap target creature. It gets +1/+4 and gains reach until end of turn.

Parallel Lives

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Bull's Strength

Target creature gets +2/+2 and gains trample until end of turn. Untap it.

Seedborn Muse

Untap all permanents you control during each other player's untap step.

Galadhrim Bow

Flash
When Galadhrim Bow enters, attach it to target creature you control. Untap that creature.
Equipped creature gets +1/+2 and has reach.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Thousand-Year Elixir

You may activate abilities of creatures you control as though those creatures had haste.
{1}, {T}: Untap target creature.

Swamp

Wirewood Lodge

{T}: Add {C}.
{G}, {T}: Untap target Elf.

Arbor Elf

Demonic Embrace

Enchant creature
Enchanted creature gets +3/+1, has flying, and is a Demon in addition to its other types.
You may cast Demonic Embrace from your graveyard by paying 3 life and discarding a card in addition to paying its other costs.

Quest for Renewal

Whenever a creature you control becomes tapped, you may put a quest counter on Quest for Renewal.
As long as there are four or more quest counters on Quest for Renewal, untap all creatures you control during each other player's untap step.

Wilderness Reclamation

At the beginning of your end step, untap all lands you control.

Instill Energy

Enchant creature
Enchanted creature can attack as though it had haste.
{0}: Untap enchanted creature. Activate only during your turn and only once each turn.

Leaping Ambush

Seeker of Skybreak

Lathril, Blade of the Elves

Menace
Whenever Lathril, Blade of the Elves deals combat damage to a player, create that many 1/1 green Elf Warrior creature tokens.
{T}, Tap ten untapped Elves you control: Each opponent loses 10 life and you gain 10 life.

Tyvar, Jubilant Brawler

You may activate abilities of creatures you control as though those creatures had haste.
+1: Untap up to one target creature.
−2: Mill three cards, then you may return a creature card with mana value 2 or less from your graveyard to the battlefield.

Tyvar Kell

Elves you control have "{T}: Add {B}."
+1: Put a +1/+1 counter on up to one target Elf. Untap it. It gains deathtouch until end of turn.
0: Create a 1/1 green Elf Warrior creature token.
−6: You get an emblem with "Whenever you cast an Elf spell, it gains haste until end of turn and you draw two cards."

Dragonscale Boon

Put two +1/+1 counters on target creature and untap it.

Arachnoid Adaptation

Target creature gets +2/+2 and gains reach until end of turn. Untap it.

Forest

Legolas's Quick Reflexes

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Untap target creature. Until end of turn, it gains hexproof, reach, and "Whenever this creature becomes tapped, it deals damage equal to its power to up to one target creature."

Spidery Grasp

Untap target creature. It gets +2/+4 and gains reach until end of turn. (It can block creatures with flying.)