Trumpet Blast | Instant | | Attacking creatures get +2/+0 until end of turn. | Steve Prescott
Winterflame | Instant | | Choose one or both —
• Tap target creature.
• Winterflame deals 2 damage to target creature. | Richard Wright
Jeskai Charm | Instant | | Choose one —
• Put target creature on top of its owner's library.
• Jeskai Charm deals 4 damage to target opponent or planeswalker.
• Creatures you control get +1/+1 and gain lifelink until end of turn. | Mathias Kollros
Crackling Doom | Instant | | Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls. | Yohann Schepacz
Mardu Charm | Instant | | Choose one —
• Mardu Charm deals 4 damage to target creature.
• Create two 1/1 white Warrior creature tokens. They gain first strike until end of turn.
• Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card. | Mathias Kollros
Temur Charm | Instant | | Choose one —
• Target creature you control gets +1/+1 until end of turn. It fights target creature you don't control.
• Counter target spell unless its controller pays {3}.
• Creatures with power 3 or less can't block this turn. | Mathias Kollros
Trap Essence | Instant | | Counter target creature spell. Put two +1/+1 counters on up to one target creature. | Raymond Swanland