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Biomancer's Familiar

Biomancer's Familiar

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Ravnica Allegiance

#158 · EN · Rare · 2019-01-25

Browse all 2 printings ↓

Biomancer's Familiar

{G}{U}

Creature — Mutant

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it.

Power: 2

Toughness: 2

Artist: Izzy

Color identity: G, U

Reference prices

Reference prices by finish and currency
FinishUSDEUR
Nonfoil$2.02€1.01
Foil$19.15€11.46

MTGO: 0.02 tix

Data snapshot 2026-10-22. Not live offers.

Use in a combo · Use in a deck

Editions & versions

2 printings across 2 editions. Choose a printing to view its artwork and details.

Reference prices · Data snapshot 2026-10-22. Prices vary by seller and condition; — means no quote.

Combos using this card

No combos yet.

Format legality
Standardnot legal
Futurenot legal
Historiclegal
Timelesslegal
Gladiatorlegal
Pioneerlegal
Modernlegal
Legacylegal
Paupernot legal
Vintagelegal
Pennylegal
Commanderlegal
Oathbreakerlegal
Standardbrawlnot legal
Brawllegal
Competitivebrawllegal
Alchemynot legal
Paupercommandernot legal
Duellegal
Oldschoolnot legal
Premodernnot legal
Predhnot legal
Tlrlegal
Rulings

2019-01-25 Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keyword abilities are activated abilities and will have colons in their reminder text. Triggered abilities (starting with “when,” “whenever,” or “at”) are unaffected by the cost reduction ability of Biomancer’s Familiar.

2019-01-25 An ability that has only one generic mana and some amount of other mana symbols in its activation cost will have its cost reduced by {1}.

2019-01-25 Biomancer’s Familiar affects only abilities of creatures you control on the battlefield. The costs of activated abilities of creature cards that work in other zones (such as cycling) won’t be reduced.

2019-01-25 The last ability of Biomancer’s Familiar doesn’t add or remove any counters. It just lets the creature adapt despite already having +1/+1 counters on it.

Current Oracle text is shown for every printing.


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