However, as Luna and Leo were taken by Trudge to the controller where Devack was, she was instead transported back to the Minus World in order to free Ancient Fairy Dragon
Its owner will control the creature, and it will remain on the battlefield even if you leave the game (if you don't own it).
If that Digimon has a special ability that states 'When this card makes its appearance', they are activated immediately after the card makes its appearance (the person second to attack will activate this ability first, before the person first to attack makes their Digimon appear)
Its a versatile damage spell that can take care of an artifact or enchantment if needed
Upon entering the battlefield, you get to have it deal damage equal to the number of lands you control to any number of creatures or planeswalkers your opponents control, so likely around 8-ish assuming you hard cast it
The Elder Dragons In all fairness, these might be a bit anemic by todays standards