If you don't want your early game mana-generating land to stick around in your late game, Gemstone Mine is a great option that can sacrifice itself
Notably, the returned Rats don't need to be among the cards you milled, so if a powerful Rat gets removed, Ashcoat can easily get it back so long as you don't mind milling four cards (and that effect can play into graveyard synergies too)
Raging Ravine Land This land enters tapped
Incapsula incident ID: 1361000720195474418-317145981568225801
This is a huge attack, with its only downside being the fact that it discards all Fire Energy from the card
pokemonrevolution January 13, 2020, 2:27pm 16 KingPokemon: @pokemonrevolution, Good job on the video