702.174b: On a permanent, the second ability represented by gift is When this permanent enters, if its gift cost was paid, [effect]. On an instant or sorcery spell, the second ability represented by gift is If this spells gift cost was paid, [effect]. The specific effect is defined by the [something] listed
In EDH there are plenty of good artifacts to steal, varying from Treasure to Clues and mana rocks
Mishra's Bauble is a classic example
This means you can get your commanders out on the battlefield extremely quickly
Summary Some Magic sets are more powerful than others, either by design or by accident, affecting card values and gameplay significantly
As long as Sephiroth is in play, Broodscale cannot win by comboing and, should he flip, they can never combo to win the game