Littjara Mirrorlake is a uncommon Land card from New Capenna Commander (NCC), collector number 412. Current market price: $0.36, TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {U}. {2}{G}{G}{U}, {T}, Sacrifice this land: Create a token that's a copy of target creature you control, except it enters with an additional +1/+1 counter on it. Activate only as a sorcery.