ETBs will trigger every time the card enters the battlefield, from anywhere, for any reason
Joshua, Phoenix's Dominant in Boros Energy 4 Ajani, Nacatl Pariah 3 Arena of Glory 4 Arid Mesa 1 Dalkovan Encampment 2 Elegant Parlor 3 Flooded Strand 4 Galvanic Discharge 3 Goblin Bombardment 4 Guide of Souls 2 Joshua, Phoenix's Dominant 4 Marsh Flats 1 Mountain 4 Ocelot Pride 4 Phlage, Titan of Fire's Fury 2 Plains 4 Ragavan, Nimble Pilferer 3 Sacred Foundry 2 Seasoned Pyromancer 2 Static Prison 2 Thraben Charm 2 Voice of Victory 2 Blood Moon 2 Celestial Purge 1 Ghost Vacuum 4 Molten Rain 2 Orim's Chant 2 Vexing Bauble 1 Wear/Tear 1 Wrath of the Skies Joshua, Phoenix's Dominant To complement Phlage, Titan of Fire's Fury in the three-drop slot, Boros Energy has traditionally relied on cards like Seasoned Pyromancer or Fable of the Mirror-Breaker
#1 Team Rockets Mewtwo ex SAR (~56,000 / ~$373) The sets undisputed chase card
Theia The Primal Being might just be that Monster finally out of the rock
You can obtain the Zapdos ex (2-Stars rarity) card by opening Genetic Apex: Pikachu from Genetic Apex set
This thief seems a little desperate to catch 'em all
