Commander 2020

Sandsteppe Citadel enters the battlefield tapped. {T}: Add {W}, {B}, or {G}.

Mystic Monastery enters the battlefield tapped. {T}: Add {U}, {R}, or {W}.

Azorius Chancery enters the battlefield tapped. When Azorius Chancery enters the battlefield, return a land you control to its owner's hand. {T}: A...

{1}, {T}: Add {G}{W}.

{T}: Add {C}. {T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

{1}, {T}: Add {R}{G}.

{1}, {T}: Add {W}{U}.

{1}, {T}: Add {B}{R}.

Memorial to Folly enters the battlefield tapped. {T}: Add {B}. {2}{B}, {T}, Sacrifice Memorial to Folly: Return target creature card from your grav...

Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest...

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all cards from all graveyards.

Orzhov Basilica enters the battlefield tapped. When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand. {T}: Add...

Krosan Verge enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card...

({T}: Add {W} or {U}.) Irrigated Farmland enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {2}, Exile a land card from your graveyard: Hostile Desert becomes a 3/4 Elemental creature until end of turn. It's still a land.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {1}{U}{R}, {T}: Draw a card, then discard a card.

Desert of the True enters the battlefield tapped. {T}: Add {W}. Cycling {1}{W} ({1}{W}, Discard this card: Draw a card.)

Boros Garrison enters the battlefield tapped. When Boros Garrison enters the battlefield, return a land you control to its owner's hand. {T}: Add {...

{1}, {T}: Add {U}{B}.

({T}: Add {W} or {U}.) Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

{T}: Add {C}. {2}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {C}. {1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate this ability only any time you cou...