Leaden Myr

Fyndhorn Elves

Plague Myr

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{T}: Add {C}.

Llanowar Tribe

Karametra's Acolyte

{T}: Add an amount of {G} equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Alloy Myr

Avacyn's Pilgrim

Palladium Myr

Silver Myr

Iron Myr

Druid of the Anima

Millikin

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)