Price$1.71 – $3.23
Buy on TCGplayerHeartstone
Artifact
LegalRank #3,909
Activated abilities of creatures cost 
less to activate. This effect can't reduce the mana in that cost to less than one mana.
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Printings (4)
Combos (8)
- Sliver Queen + Cloudshredder Sliver + Gemhide Sliver + Heartstone
→ Infinite creature tokens, Infinite ETB
- Sliver Queen + Cloudshredder Sliver + Manaweft Sliver + Heartstone
→ Infinite creature tokens, Infinite ETB
- Voltaic Construct + Palladium Myr + Heartstone
→ Infinite untap of artifact creatures you control
- Sliver Queen + Ashnod's Altar + Heartstone
→ Infinite colorless mana, Infinite creature tokens, Infinite death triggers
- Sliver Queen + Blur Sliver + Manaweft Sliver + Heartstone
→ Infinite creature tokens, Infinite ETB
- Sliver Queen + Blur Sliver + Gemhide Sliver + Heartstone
→ Infinite creature tokens, Infinite ETB
Rulings (5)
- 2016-06-08
Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.
- 2006-07-15
Can’t reduce Snow mana costs.
- 2004-10-04
The cost reduction can be applied to additional costs.
- 2004-10-04
It will not add a
to abilities with no generic mana in their activation cost. - 2004-10-04
It will never reduce any colored mana portion of an activation cost.