Mystic Remora (Borderless) [Secret Lair Drop Series] Phyrexian Horror and counters are modifications

and counters are modifications

Sacrifice an artifact: Add an amount of R equal to the sacrificed artifact's mana value

they stirred

Set: Marvel's Spider-Man: Eternal-Legal Type: Legendary Creature — Goblin Human Villain Rarity: Rare Cost: {2}{B}{R} Flying

Whenever you cast an artifact or enchantment spell

Mystic Remora (Borderless) [Secret Lair Drop Series] Phyrexian Horror and counters are modificationsSet: Secret Lair Drop Series Type: Enchantment Rarity: Rare Cost: {U} 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.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}. The bond between spellcaster and familiar allows the mage to detect even the smallest of magical ripplesand use them