Phalanx Formation

Instant - (uncommon)

Strive — This spell costs  more to cast for each target beyond the first.
Any number of target creatures each gain double strike until end of turn. (They deal both first-strike and regular combat damage.)

Price

tcgplayer 0.07

cardmarket 0.11

cardkingdom 0.35

cardsphere 0.22

manapool 0.15