Myr Reservoir - mtg.wtf

Artifact

: Add . Spend this mana only to cast Myr spells or activate abilities of Myr.
, : Return target Myr card from your graveyard to your hand.

A mana well as bottomless as the myr are tireless.

2011-01-01 A card, spell, or permanent is a Myr only if it has the subtype Myr, regardless of its name. For example, Myr Reservoir itself is not a Myr.
2011-01-01 The mana can't be spent to activate activated abilities of Myr sources that aren't on the battlefield.
2011-01-01 You can use the mana produced by Myr Reservoir's first ability to pay an alternative cost or additional cost incurred while casting a Myr spell. It's not limited to just that spell's mana cost.

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