LTR is legal in Historic, Timeless, and Modern
However, that effect has aged poorly since Basic Pokemon now includes powerful EX and GX cards
So, you'll get some potential card advantage, and its ability cashes in a land for a sacrifice trigger and 2 mana
Who Are The Power Nine
Hans, Run!" Agency Outfitter Ajani's Aid Alpine Houndmaster Angel's Herald Angrath's Fury Arachnus Spinner Ashiok's Forerunner Asmoranomardicadaistinaculdacar Avarax Basri's Aegis Behemoth's Herald Bogbrew Witch Chandra's Firemaw Chandra's Flame Wave Chandra's Outburst Dark Supplicant Daru Cavalier Demon's Herald Diligent Farmhand Domri's Nodorog Dovin's Dismissal Dragon's Approach Dragon's Herald Dragonstorm Forecaster Elspeth's Devotee Elspeth, Undaunted Hero Elvish Clancaller Embermage Goblin Ethereal Elk Forging the Tyrite Sword Garruk's Warsteed Gate to the Afterlife Gideon's Battle Cry Gideon's Resolve Gigantiform Goblin Tutor Goldmane Griffin Grand Master of Flowers Grasping Current Growth-Chamber Guardian Infectious Bloodlust Isperia the Inscrutable Jace's Ruse Journey for the Elixir Kassandra, Eagle Bearer Kyscu Drake Liberating Combustion Liliana's Influence Liliana's Scorn Llanowar Sentinel Magitek Infantry Nazahn, Revered Bladesmith Niambi, Faithful Healer Nissa Revane Nissa's Encouragement Oko's Hospitality Ral's Dispersal Raven Clan War-Axe Renowned Weaponsmith Rhythmic Water Vortex Rowan's Stalwarts Ruin in Their Wake Say Its Name Screaming Seahawk Shadowborn Apostle Shaun & Rebecca, Agents Sift Through Sands Silver Surfer, Galactus's Herald Smuggler Captain Sorin's Guide Sphinx Ambassador
If you're curious to know which Commander Masters cards are the ones worth keeping (or the ones worth selling, if you're of the more mercantile mindset), then this list will provide you with an easy point of reference
