The One Piece Card Game tutorial app is designed to teach players the basics of the game, allowing them to pilot decks and get to grips with mechanics
(2022-02-18) The mana value of March of Swirling Mist while it's on the stack is the value chosen for X plus 1, no matter how much mana you actually paid to cast it
Folks arent using Doctors companion to play this out of the command zone much, though

31%inclusion 30%synergy 5.62K decks 18K decks Waterbender's Restoration 31%inclusion 29%synergy 5.33K decks 17.4K decks Swords to Plowshares 30%inclusion -8%synergy 5.45K decks 18.1K decks Heroic Intervention 28%inclusion 5%synergy 5.09K decks 18.1K decks Earthshape 27%inclusion 26%synergy 4.77K decks 17.4K decks Abandon Attachments 24%inclusion 22%synergy 4.26K decks 18.1K decks Energybending 21%inclusion 20%synergy 3.73K decks 17.5K decks Path to Exile 18%inclusion -11%synergy 3.33K decks 18.1K decks Deflecting Swat 18%inclusion 7%synergy 3.22K decks 18.1K decks Firebending Lesson 17%inclusion 16%synergy 2.98K decks 17.2K decks The Last Agni Kai 16%inclusion 15%synergy 2.87K decks 17.5K decks Accumulate Wisdom 16%inclusion 15%synergy 2.83K decks 17.3K decks Octopus Form 16%inclusion 15%synergy 2.85K decks 17.5K decks Elemental Teachings 15%inclusion 14%synergy 2.60K decks 17.4K decks Counterspell 15%inclusion -8%synergy 2.64K decks 18.1K decks Flawless Maneuver 13%inclusion 9%synergy 2.35K decks 18.1K decks Allies at Last 12%inclusion 11%synergy 2.11K decks 17.5K decks Deadly Rollick 11%inclusion 6%synergy 2.06K decks 18.1K decks Searing Touch 11%inclusion 11%synergy 2.05K decks 18.1K decks Eladamri's Call 11%inclusion 6%synergy 2.02K decks 18.1K decks Sandbenders' Storm 11%inclusion 10%synergy 1.86K decks 17.4K decks Combustion Technique 8.9%inclusion 8%synergy 1.55K decks 17.4K decks Katara's Reversal 8.7%inclusion 8%synergy 1.52K decks 17.5K decks Sokka's Haiku 7.9%inclusion 7%synergy 1.43K decks 18.1K decks Obscuring Haze 7.9%inclusion 7%synergy 1.43K decks 18.1K decks Whirlwind Technique 7.8%inclusion 7%synergy 1.36K decks 17.3K decks Force of Negation 7.7%inclusion 4%synergy 1.40K decks 18.1K decks Fire Nation Attacks 7.3%inclusion 7%synergy 1.32K decks 18.1K decks Yip Yip

Like the Revenant it also comes with a mana sink that enables you to deal damage, but its just better since you dont have to worry about the Ghast connecting with the opponent
If the Elemental that caused Champion of the Path's second ability to trigger is no longer on the battlefield when that ability resolves, use that Elemental's power as it last existed on the battlefield to determine how much damage is dealt