According the Magic's Head Designer Mark Rosewater, a saga creature is the story of the summoning of the creature. And, in a way, Final Fantasy s summons make Magic go full circle: back in Alpha , spells that summon a creature literally said Summon in the type line
His ability looks pretty situational, and it can be, but its important to remember that Leyline Axe is currently in Standard
When it connects, you get to cheat something out of an opponent's graveyard, so target the player with 5+ mana spells
True Friend is a very basic card since it has no extra trait or special ability that affects other cards, but it can be used to fill the player's inkwell
The fact that the final ability only saves your attacking creatures unfortunately caps its potential