Expediteutility$1.23Very similar one-mana cantrip combat trick that pushes damage while replacing itself.
Enlightened Tutorutility$29.45It is also a one-mana white instant, though it tutors instead of buffing; included as a strong low-cost white instant alternative with card selection.
Rally the Peasantsutility$0.06A cheap white combat trick that increases damage output, though it scales to a wider team instead of drawing a card.
Make a Standprotection$0.21Similar white instant in the combat-trick slot, giving a temporary board-based advantage rather than a small cantrip buff.
Sheltering Lightprotection$0.28A one-mana white instant that replaces itself while affecting combat, making it a close functional cousin to Defiant Strike.
Gods Willingprotection$0.10Another premier one-mana white combat trick that protects a creature and scry-draws through selection, serving a similar role in aggressive decks.
Feat of Resistanceprotection$0.10A white instant-speed combat trick that grows a creature and improves a draw step via scrying, though it costs more mana.
Titan's Strengthutility$0.21One-mana cantrip-style combat trick from a nearby colorless-red shell? Actually a cheap spell that boosts power and smooths draws, analogous in aggressive play patterns.