Whenever you cast a noncreature spell, create a red Subroutine enchantment token named BOOST with “Whenever this Subroutine runs, add {R}.”

When Grovelit Meditation enters, you gain 4 life.
{1}{G}, Sacrifice Grovelit Meditation: Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Amity — Whenever you attack with Growing Gecko and exactly one other creature, they both get +1/+1 until end of turn. When Growing Gecko deals combat damage to a player this combat, you may transform it.

When Gubernatorial Fundraiser enters, make a pledge.
Whenever you spend three or more colors of mana to cast a spell, create a Treasure token.

When Guide Dog enters, investigate.

Lifelink
Pay the equip cost of an Equipment you control: Return Gutwrenched Martyr from your graveyard to the battlefield with a finality counter on it. Attach that Equipment to it. Activate only as a sorcery.

No more than one creature can attack each combat.
No more than one creature can block each combat.

Tunneler
Whenever a creature you control deals combat damage to a player, you may draw a card. This ability triggers no more than twice each turn.

Corrupt — Destroy target creature if it has power 3 or less or if you control a permanent with greater mana value than this spell.

When Hardlight Hedron enters, draw two cards, then discard a card.
{U}, {T}, Sacrifice Hardlight Hedron: Scry 2.

Other Soldiers you control get +1/+0.
{3}{R}, {T}: Harsh Commander deals damage to target player or planeswalker equal to the number of Soldiers you control.

Choose one —
• Exile target artifact or enchantment.
• Exile target creature with flying.

Flying
Whenever you draw your second card each turn, put a +1/+1 counter on Haubay's Familiar.

Level up {1}{B}
[level 1-3] {B}, {T}: Surveil 1.
[level 4+] {B}, {T}: Surveil 2.

Surveil 2, then draw a card.

When Heart Pounding Action enters, look at the top four cards of your library. You may reveal an instant, sorcery, or Aura card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Whenever you cast a spell that targets a creature you control, you may put a +1/+1 counter on that creature.

{T}, Sacrifice a creature: Until the end of your next turn, if you would lose unspent mana, that mana becomes colorless instead.
{2}: Add one mana of any color.

At the beginning of your upkeep, if you have less life than an opponent, you lose 1 life and you draw a card.

Whenever you activate an invoke ability of a card in your graveyard, create a 3/1 red and green Elemental creature token with trample and haste. Exile that token at the beginning of your next end step.

Lifelink
{5}{W}: Creatures you control get +1/+1 until end of turn.

Enchant creature
Enchanted creature can't attack or block.
{8}: Destroy Held for Ransom. Any player may activate this ability.

Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.

Hell's Boon deals 3 damage to up to one target creature or planeswalker.
Damned — If you've sacrificed a permanent this turn, Hell's Boon deals 2 damage to each opponent.

Damned — At the beginning of your end step, exile the top card of your library if you've sacrificed a permanent this turn. You may play that card until you exile another card with this enchantment.

{2}, Sacrifice Helm of the Shattered Realm: Destroy target artifact or enchantment. Activate only as a sorcery.
Equipped creature gets +1/+1 and has ward {2}.
Equip {1}