Akroma's Memorialfinisher$28.83Gives your creatures a major combat upgrade, including double strike, while also adding several other aggressive keywords. It fills a similar finisher role for creature-heavy decks.
Fireshriekercombat_trickBudget$0.50This is the most direct scalable alternative to granting double strike, attaching the effect to a single creature. It is a cheaper, more focused combat enhancer.
Duelist's Heritagecombat_trickBudget$0.81Provides a repeatable double strike effect in combat, often enabling big damage turns. It is more flexible politically and costs significantly less.
Temur Battle Ragecombat_trickBudget$0.26Gives double strike in a burst-combat format, often acting as a lethal damage enabler. It is an instant-speed one-shot version of the same combat role.
Embercleavefinisher$9.48A premium combat finisher that grants double strike and trample, frequently ending games immediately. It overlaps strongly in role while being faster to deploy in creature decks.
True Convictionfinisher$5.52Like Rage Reflection, it turns combat into a lethal swing by granting double strike to all your creatures. It also adds lifelink, making it a stronger but white-based analogue.
Karlach, Fury of Avernusutility$22.61Although not permanent, Karlach can create double-combat style pressure and enable explosive damage turns. It serves a similar aggressive finisher role in red decks.
Grand Meleeutility$1.29This red enchantment strongly pushes combat-focused play and can function as a red aggressive payoff. While it does not give double strike, it supports the same battle-heavy game plan.