If youre casting your commander from the command zone, the + per previous cast is always an additional cost you must pay on top of the chosen base cost
I recall being in Target/Walmart and seeing tons of these tins
The Last Agni Kai The Last Agni Kai is an incredible flavor win showing the best fire fight of Avatar: The Last Airbender
One with Nature is a Sword of the Animist if you connect with a player for a measly one mana
Surges Strategy, Electromagnetic Radar, Cleffa, Giovannis Exile, Graveler, Porygon2, Martial Arts Dojo, Fairy Charm L, Poliwhirl, Devolution Spray Z, Metapod, Kogas Trap, Dust Island, Pyukumuku, Fire Crystal, Weepinbell, Surprise Box, Torracat, Energy Spinner, Charjabug, Chip-Chip Ice Axe, Samson Oak, Janine, Raticate, Triple Acceleration Energy, Fairy Charm Ability, Tyrogue, Stealthy Hood, Chatot, Electromagnetic Radar, Frogadier, Beast Bringer, Power Plant, Lairon, Greens Exploration, Wartortle, Gloom, Haunter, Cleffa, Happiny, Dust Island, Golbat, Tentacruel, Pokgear 3.0, Molayne, Giovannis Exile, Dusk Stone, Raticate, Lt
What that effectively means is, "This phases in or out before you untap during each of your untap steps