At the beginning of your end step, if a creature died this turn, exile the top card of your library. Until the end of your next turn, you may play that card.

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

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

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.

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

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

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.

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.

At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, put a +1/+1 counter on Goldrune Scribe.

Favored
Legendary creatures you control have trample.

When Gubernatorial Fundraiser enters, make a pledge.
When Gubernatorial Fundraiser dies, create a tapped Treasure token.

Target creature you control deals damage equal to its power to target creature. If this spell's flashback cost was paid, it deals that much damage to target player instead.
Flashback {4}{R}

Menace
When Hazakh Commandos enters, if you control a black permanent, create a 2/2 colorless Minion creature token with decayed.

As an additional cost to cast this spell, sacrifice a creature or pay {4}.
Heedless Cruelty deals 5 damage to target creature or planeswalker.

This spell costs {1} less to cast for each instant and/or sorcery card in your graveyard.
When Heretic Hunters enters, you may discard your hand. If you do, draw a card and Heretic Hunters deals 2 damage to each opponent.

Favored

Choose one —
• Target creature you control gets +1/+1 and gains first strike until end of turn.
• Target legendary creature you control gets +1/+1 and gains double strike until end of turn.

This spell costs {2} less to cast as long as you've cast another instant or sorcery spell this turn.
High Voltage deals 3 damage to any target.

You may pay {R} rather than pay this spell's mana cost. Spend only mana produced by artifact sources to cast it this way.
Hired Shot deals 3 damage to any target.

Hold to the Flame enters with a blaze counter on it.
Whenever you cast an instant or sorcery spell with mana value 4 or greater, put a blaze counter on Hold to the Flame. Then it deals damage equal to the number of blaze counters on it to any target.

{VP}{VP}{VP}: Reveal the top seven cards of your library. You may have Iconic Hologram become a copy of a legendary creature card revealed this way until end of turn. Put the revealed cards on the bottom of your library in a random order.