Magmatic Core [Coldsnap] Clue Myr Whenever a creature with a

Whenever a creature with a magnet counter on it attacks

"Only orochi hatched from eggs 'touched by the kami' may become shamans

Set: Jumpstart 2022 Type: Instant Rarity: Uncommon Cost: {4}{R} Deem Worthy deals 7 damage to target creature

I think we'd get along

Magmatic Core [Coldsnap] Clue Myr Whenever a creature with aSet: Coldsnap Type: Enchantment Rarity: Uncommon Cost: {2}{R}{R} Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your end step, Magmatic Core deals X damage divided as you choose among any number of target creatures, where X is the number of age counters on it.