First printed in Marvel's Spider-Man (2025)
All 5 prints
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Legendary Creature — Symbiote Spider Hero
Deathtouch, lifelink
Whenever Gwenom attacks, until end of turn, you may look at the top card of your library any time and you may play cards from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.
4/4
- Illustrated by
- Lordigan
Legality
- Legal in
- Standard, Pioneer, Modern, Legacy, Vintage, Future Standard, Historic, Timeless, Alchemy, Gladiator, Commander, Duel Commander, Oathbreaker, Brawl, Standard Brawl, Competitive Brawl
- Not legal in
- Pauper, Penny Dreadful, Premodern, Old School 93/94, Pauper Commander, PreDH, Tiny Leaders
Rulings (6)
- If the top card of your library changes while you're casting a spell, playing a land, activating an ability, or taking a special action, you can't look at the new top card until you finish doing so. This means that if you cast the top card of your library, you can't look at the next one until you're done paying for that spell.
- You must follow all normal timing rules when playing a land or casting a spell this way.
- You can play a land card from the top of your library only if you have available land plays remaining.
- If you cast a spell for another cost "rather than pay its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs, such as a kicker cost. If the card has any mandatory additional costs, those must be paid to cast the card.
- If a spell has
in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost. - After the resolution of the triggered ability, Gwenom lets you look at the top card of your library whenever you want (with one restriction—see below), even if you don't have priority. This action doesn't use the stack. Knowing what that card is becomes part of the information you have access to, just like you can look at the cards in your hand. Once the effect has ended in your cleanup step, however, you may not look at the top card anymore.
Prices
MTGO price: 0.02 TIX, the cheapest non-foil print (average sell price on GoatBots, 1 Nov 2026).
In Limited on MTG Arena
Win rates in Arena drafts and sealed, retrieved from 17Lands (CC BY 4.0).
| Set | GIH WR | vs set | IWD | Games |
|---|---|---|---|---|
| Through the Omenpaths (OM1), Sealed | 61.8% | +3.8 | +6.2 | 709 |
- GIH WR
- win rate of the games in which the card was in the opening hand or drawn
- vs set
- points above or below the average win rate of all decks in the set
- IWD
- improvement when drawn: GIH WR minus the win rate when the card stayed in the library
- Games
- games in which the card was seen
Combos
838 combos, the most popular first:
- Near-infinite damage, Infinite card draw…: Aetherflux Reservoir + Gwenom, Remorseless + Sensei's Divining Top
- Infinite card draw, Near-infinite lifegain…: Gwenom, Remorseless + Sensei's Divining Top + Sheoldred, the Apocalypse
- Infinite creature LTB, Infinite creature ETB…: Death Cultist + Gwenom, Remorseless + Mortuary
- Infinite creature LTB, Infinite creature ETB…: Gray Merchant of Asphodel + Gwenom, Remorseless + Mortuary + Viscera Seer
- Infinite creature LTB, Infinite creature ETB…: Aetherflux Reservoir + Gwenom, Remorseless + Mortuary + Viscera Seer
- Infinite creature LTB, Infinite creature ETB…: Gray Merchant of Asphodel + Gwenom, Remorseless + Mortuary + Umbral Collar Zealot
- Infinite creature LTB, Infinite creature ETB…: Aetherflux Reservoir + Gwenom, Remorseless + Mortuary + Umbral Collar Zealot
- Infinite creature LTB, Infinite creature ETB…: Blood Artist + Gwenom, Remorseless + Mortuary + Viscera Seer
- Infinite artifact ETB, Infinite artifact LTB…: Gwenom, Remorseless + Mortuary + Ornithopter + Viscera Seer
- Infinite artifact ETB, Infinite artifact LTB…: Gwenom, Remorseless + Mortuary + Ornithopter + Umbral Collar Zealot
