It's artifact critter status grants you two avenues to consider

The commons sheet looks as follows: Mankey, Cacnea, Slowpoke, Porygon, Koffing, Kakuna, Torchic, Whismur, Feebas, Treecko, Lunatone, Togepi, Clamperl, Ekans, Volbeat, Zigzagoon, Solrock, Luvdisc, Illumise, Igglybuff, Slugma, Mudkip, Caterpie, Glameow, Makuhita, Unown L, Weedle, Snubbull, Krabby, Houndour, Treecko, Porygon, Buizel, Mankey, Drowzee, Jigglypuff, Baltoy, Torchic, Wingull, Swablu, Koffing, Tangela, Slowpoke, Zigzagoon, Lunatone, Makuhita, Clamperl, Whismur, Caterpie, Ekans, Togepi, Feebas, Slugma, Cacnea, Luvdisc, Glameow, Unown L, Solrock, Kakuna, Mudkip, Igglybuff, Houndour, Weedle, Krabby, Porygon, Baltoy, Volbeat, Drowzee, Snubbull, Buizel, Illumise, Makuhita, Jigglypuff, Wingull, Caterpie, Koffing, Zigzagoon, Mankey, Treecko, Slowpoke, Swablu, Torchic, Tangela, Clamperl, Glameow, Krabby, Weedle, Ekans, Whismur, Mudkip, Cacnea, Slugma, Porygon, Feebas, Kakuna, Baltoy, Togepi, Unown L, Volbeat, Krabby, Igglybuff, Solrock, Illumise, Luvdisc, Snubbull, Torchic, Treecko, Makuhita, Zigzagoon, Wingull, Caterpie, Drowzee, Jigglypuff, Mudkip, Tangela, Baltoy, Glameow, Houndour, Weedle, Buizel, Swablu As to Pokmon LV.X, my Youtube sample yielded 6 Cresselia, 4 Dialga, 2 Darkrai and 2 Palkia

They are featured in the Amber Sing Together card, which is a mechanic that was introduced in set four
While this spell specifies that for each nonbasic land its controller sacrifices, that player can tutor for a basic land, putting on the battlefield, some decks may not have access to enough basic lands to recoup this loss