Sojourner's Enforcermite
Artifact Creature — Frog Myr Salamander
Oracle Text
Affinity for Affinity (This card costs
less to cast for each permanent you control with affinity.)
Affinitycycling 
(, Discard this card: Search your library for a card with affinity, reveal it, put it into your hand, then shuffle.)
Rules for this card
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A keyword ability that reduces how much mana you need to spend to cast a spell. See rule 702.41, “Affinity.”
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A keyword ability that lets a card be discarded and replaced with a new card. See rule 702.29, “Cycling.”
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A keyword ability that lets a card be discarded and replaced with a new card. See rule 702.29, “Cycling.”