Poison counters arent an effect players clamor for and Im certainly not looking to give the infect or poison decks that already exist a massive power level upgrade
Whipflare is useful against token decks, Bitterblossom decks like Faeries, and Melira Pod (but not Kiki Pod!)
Double-sidedcustom Forgotten Spells card back on the reverse
The included cards, hailing from a variety of historic expansions, appear below alongside how likely they are to be discovered in their respective slots: Imposter of the Sixth Pride (50%), Enduring Sliver (50%), Sentinel Sliver (50%) Irregular Cohort (100%) King of the Pride (50%), Dregscape Sliver (25%), Throatseeker (25%) Graveshifter (100%) Venomous Changeling (50%), Faceless Agent (50%) Changeling Outcast (75%), Universal Automation (25%) Etchings of the Chosen (100%) Thwart the Grave (50%), Allied Assault (25%), Birthing Boughs (25%) Davriel's Withering (67%), Dire Fleet Poisoner (33%) Blade Splicer (100%) Deadly Alliance (50%), Journey to Oblivion (50%) Cycling Land (100%) Historic Horizons is the follow-up to the popular Jumpstart set released for Magic: The Gathering Arena in 2020

On top of that, Hammer of Nazahn gives the creature it's attached to indestructible and can also be equipped as it enters the battlefield, immediately protecting any creature you want from being destroyed