This spell costs less to cast, where X is the total power of creatures you control.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

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

This spell can't be countered.
Ward—Pay 2 life.
Spells you control can't be countered.
Other creatures you control have "Ward—Pay 2 life."

Enchant creature
Enchanted creature gets +2/+2 and has "Whenever this creature attacks, untap all lands you control."
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Add .
Threshold — Add instead if there are seven or more cards in your graveyard.

Whenever this creature blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Whenever another permanent you control enters, each opponent mills a card.

This land enters tapped.
: Add .
: This land becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land.

: Add .
: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

Add .

: Add .
, Sacrifice this land: Destroy target nonbasic land.

Equipped creature gets +1/+1 and has trample and "Whenever this creature deals combat damage to a player or planeswalker, create that many Treasure tokens."
Equip

Flying
As long as this card is in your graveyard and you control an Island, creatures you control have flying.

Lightning Bolt deals 3 damage to any target.

Counter target spell.

: Add .
Channel — , Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs less to activate for each legendary creature you control.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.

Tap any number of untapped creatures you control. You gain 4 life for each creature tapped this way.

Trample
If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way.
When Vigor is put into a graveyard from anywhere, shuffle it into its owner's library.