Professor's Warning | Instant | | Choose one —
• Put a +1/+1 counter on target creature.
• Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | Kieran Yanner
1.5 LSV
Lash of Malice | Instant | | Target creature gets +2/-2 until end of turn. | Slawomir Maniak
3.0 LSV
Academic Dispute | Instant | | Target creature blocks this turn if able. You may have it gain reach until end of turn.
Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) | Manuel Castañón
3.0 LSV
Charge Through | Instant | | Target creature gains trample until end of turn.
Draw a card. | Craig J Spearing
1.0 LSV
Fortifying Draught | Instant | | You gain 2 life. Target creature gets +X/+X until end of turn, where X is the amount of life you gained this turn. | Andrey Kuzinskiy
2.5 LSV
Make Your Mark | Instant | | Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 red and white Spirit creature token. | Bryan Sola
2.5 LSV