Cheapest priced copy (The Brothers' War Retro Artifacts): $5.49 at Card Kingdom, near mint, their price list as of .
Semblance Anvil 
Artifact · Rare · The Brothers' War Retro Artifacts · #52
Imprint — When this artifact enters, you may exile a nonland card from your hand.
Spells you cast that share a card type with the exiled card cost {2} less to cast.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $5.49 to $22.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Brothers' War Retro Artifacts | 52 | Rare | $5.49 | $6.99 |
| The Brothers' War Retro Artifacts | 115 | Rare | $5.49 | $9.99 |
| The Brothers' War Retro Artifacts | 115z | Rare | — | — |
| Scars of Mirrodin | 201 | Rare | $6.49 | $22.99 |
6 rulings from Wizards of the Coast
- 1 January 2011Spells you cast that share multiple card types with the exiled card still cost just {2} less to cast. They don't get a greater cost reduction.
- 1 January 2011Semblance Anvil takes the total cost to cast a spell into account, not just its mana cost. This includes additional costs (such as kicker) and alternative costs (such as evoke). It also includes cost increases from other sources (such as Lodestone Golem's ability).
- 1 January 2011Semblance Anvil's cost reduction effect is mandatory.
- 1 January 2011Semblance Anvil can reduce the amount you pay for a spell's cost that includes {X}. For example, Blaze is a sorcery that costs {X}{R}. If the card exiled with Semblance Anvil is a sorcery, and you want to cast Blaze with X equal to 5, you'll have to pay only {3}{R}. This is true even if the ability states that {X} must be paid with a certain color of mana (as Drain Life does).
- 1 January 2011Semblance Anvil won't affect the part of a spell's cost represented by colored mana symbols. For example, a spell that normally costs {1}{U} to cast would cost {U} if it shared a card type with the exiled card.
- 1 January 2011Artifact, battle, creature, enchantment, instant, kindred, planeswalker, and sorcery are card types.