Whenever you amp it up, Fraying Gearhead gets +1/+0 and gains first strike until end of turn.

When Free Market enters, target creature gets +2/+2 until end of turn.
You control a creature with power 4 or greater.
You control a creature with toughness 4 or greater.

Whenever you attack, create a 1/1 colorless Soldier creature token that's tapped and attacking.

Create three Berry tokens, then sacrifice any number of Berries. For each Berry sacrificed this way, creatures you control get +1/+1 until end of turn.

Frequency Jolt deals 5 damage to target creature, then it deals 2 damage to that creature's controller for each time you've amped it up this turn.

{VP}{VP}{VP}: Put a +1/+1 counter on Frequency Omnivore.

Frigid Highlands enters tapped unless you control an Island.
{T}: Add {R} or {G}.

Search your library for a basic land card, put it onto the battlefield, then shuffle.

Target creature you control gains double strike until end of turn. It deals damage equal to its power to each of up to two other targets.

Enchant creature
Enchanted creature attacks each combat if able.
Whenever enchanted creature attacks, teach it trample.

As an additional cost to cast instant and sorcery spells, you may pay {X}, where X is that spell's mana value. If you do, copy that spell, and you may choose new targets for the copy.
Spellcharge 4

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast Shrine spells or activate abilities of Shrines.

Choose one —
• Destroy target artifact.
• Target attacking creature gets +3/+3 until end of turn.

Trample, haste
Landfall — When a land you control enters, target creature can't block this turn.
At the beginning of your end step, return Generator Alpha or a land you control to its owner's hand.

{VP}{VP}{VP}: Genre Blender gets +3/+3 until end of turn. Activate only once each turn.

[+1]: Up to one target creature gets +2/+0 and gains haste until end of turn.
[–1]: Add {R}. If Gericho, Ageless Wanderer entered this turn, add {R}{R} instead.
[0]: Exile Gericho and the top X cards of your library, where X is the number of loyalty counters on him. You may play cards exiled this way until the end of your next turn.

Vigilance
Approval — {1}{G}: Target creature gets +X/+X until end of turn, where X is the number of colors among permanents you control. Activate only once each turn and only as a sorcery.

Whenever one or more creatures you control deal combat damage to an opponent, exile the top card of your library. Then you may create a 1/1 colorless Construct artifact creature token. If you don't, you may play the exiled card until end of turn.

Whenever you play a card with mana value equal to the number of charge counters on Gilded Font, put a charge counter on it.
{2}, Sacrifice Gilded Font: You draw X cards and gain twice X life, where X is the number of charge counters on Gilded Font.

If you have more life than your starting life total, this spell costs {X} less to cast, where X is equal to the difference.
Trample
When Glacier Guardian enters, you may have it fight target creature you don't control.

When Glassblower's Forge enters, draw a card.
{1}, {T}, Sacrifice Glassblower's Forge and another artifact or enchantment: Draw a card.

Gleaming Laser deals 4 damage to any target. You gain 4 life. If a permanent dealt damage by Gleaming Laser would die this turn, exile it instead.

Haste
Whenever you cast a spell that targets Glint-Glyph Oracle, you may discard a card. If you do, draw two cards if Glint-Glyph Oracle is attacking or draw a card otherwise.

Until end of turn, target creature gets +X/+X, where X is the number of differently named lands you control.