Festering March [Future Sight] Kithkin Knight you may search your Deck

you may search your Deck for a "Harpie" card

Set: The Dark Illusion Card type: Quick Play Spell Rarity: Rare Tribute 1 Spellcaster-Type monster

Activate only if you've cast a noncreature spell this turn

but when it uses this effect

Festering March [Future Sight] Kithkin Knight you may search your DeckSet: Future Sight Type: Sorcery Rarity: Uncommon Cost: {3}{B}{B} Creatures your opponents control get 1 1 until end of turn. Exile Festering March with three time counters on it. Suspend 3{2}{B} (Rather than cast this card from your hand, you may pay {2}{B} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)