6 cards where the text includes “storage” and the text includes “counter” and the rarity is equal to uncommon and the card types include “land” and it’s legal in Modern

Calciform Pools

Land

{T}: Add {C}.

{1}, {T}: Put a storage counter on Calciform Pools.

{1}, Remove X storage counters from Calciform Pools: Add X mana in any combination of {W} and/or {U}.

Illustrated by Darrell Riche

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
Duel Cmdr.
Commander

Dreadship Reef

Land

{T}: Add {C}.

{1}, {T}: Put a storage counter on Dreadship Reef.

{1}, Remove X storage counters from Dreadship Reef: Add X mana in any combination of {U} and/or {B}.

Illustrated by Lars Grant-West

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
Duel Cmdr.
Commander

Fungal Reaches

Land

{T}: Add {C}.

{1}, {T}: Put a storage counter on Fungal Reaches.

{1}, Remove X storage counters from Fungal Reaches: Add X mana in any combination of {R} and/or {G}.

Illustrated by Martina Pilcerova

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
Duel Cmdr.
Commander

Mage-Ring Network

Land

{T}: Add {C}.

{1}, {T}: Put a storage counter on Mage-Ring Network.

{T}, Remove any number of storage counters from Mage-Ring Network: Add {C} for each storage counter removed this way.

Illustrated by Jung Park

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
Duel Cmdr.
Commander

Molten Slagheap

Land

{T}: Add {C}.

{1}, {T}: Put a storage counter on Molten Slagheap.

{1}, Remove X storage counters from Molten Slagheap: Add X mana in any combination of {B} and/or {R}.

Illustrated by Daren Bader

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
Duel Cmdr.
Commander

Saltcrusted Steppe

Land

{T}: Add {C}.

{1}, {T}: Put a storage counter on Saltcrusted Steppe.

{1}, Remove X storage counters from Saltcrusted Steppe: Add X mana in any combination of {G} and/or {W}.

Illustrated by Greg Staples

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
Duel Cmdr.
Commander

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.