+furnace (22)
At the beginning of combat on your turn, return up to one target artifact or creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step.
Artifact offering (You may cast this spell as thought it had flash by sacrificing an artifact and paying the difference in mana costs between this and the sacrificed artifact. Mana cost includes color.)
Flying, double strike
Creatures attacking your opponents have double strike.
: Target creature can't be regenerated this turn.
Whenever you sacrifice another permanent, you may pay . If you do, Furnace Celebration deals 2 damage to any target.
Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying
When Furnace Dragon enters, if you cast it from your hand, exile all artifacts.
: Furnace Gremlin gets +1/+0 until end of turn.
When Furnace Gremlin dies, incubate X, where X is its power. (Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)
: Furnace Hellkite gets +1/+0 until end of turn.
Haste
Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
Menace
At the beginning of each player's upkeep, Furnace Punisher deals 2 damage to that player unless they control two or more basic lands.
Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gains haste and "Whenever this creature deals combat damage to a player or battle, create a Treasure token." (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")
Whenever Furnace Scamp deals combat damage to a player, you may sacrifice it. If you do, Furnace Scamp deals 3 damage to that player.
, Sacrifice Furnace Skullbomb: Draw a card.
, Sacrifice Furnace Skullbomb: Put two oil counters on target artifact or creature you control. Draw a card. Activate only as a sorcery.
: Furnace Spirit gets +1/+0 until end of turn.
Furnace Strider enters with two oil counters on it.
Remove an oil counter from Furnace Strider: Target creature you control gains haste until end of turn.
: Furnace Whelp gets +1/+0 until end of turn.
Whenever Furnace-Blessed Conqueror attacks, create a tapped and attacking token that's a copy of it. Put a +1/+1 counter on that token for each +1/+1 counter on Furnace-Blessed Conqueror. Sacrifice that token at the beginning of the next end step.
: Add .
: Exile the bottom card of target player's graveyard.
, Sacrifice Phyrexian Furnace: Exile target card from a graveyard. Draw a card.
When you unlock this door, this Room deals damage equal to the number of cards in your hand to target creature an opponent controls.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)
You have no maximum hand size.
At the beginning of your end step, draw a card.
The Autonomous Furnace enters tapped.
, , Sacrifice The Autonomous Furnace: Draw a card.
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