mtg cards like ashnod's altar Add 2 to your mana pool. Hesitant to buy Ashnod's Altar

Myr Sire [Mirrodin Besieged] Set: Mirrodin Besieged Type: Artifact Creature Phyrexian Myr Rarity: Common

So green cards and cards with green mana symbols in the rules text are out, but everything else is allowable

It also appeared in the Lord of the Rings release, reskinned as Balin's Tomb

This chilling effect captures Elsas mastery over her magical powers and provides you with a tactical advantage on the battlefield

The deck combines Elesh Norn, Mother of Machines with an army of permanents with different enter the battlefield triggers

The best uses are pumping Phyrexian Germ tokens on living weapon equipment like Batterskull, or looping a creature by feeding it to Mortarpod or Mask of Immolation