You can, in theory, make a Hero each turn, with enough mana, or cards that untap your mana
Grab these from draft chaff if theyre lying around and try to buy these for a quarter if you can
Even with close to 20 years of power creep and shifts in Magic design against them, Ninjas are still an iconic and popular creature type, with a huge number of players maintaining Ninja tribal decks to this day
If it's a permanent, it's hasted and dies at the end of the turn, so this is really more for instants and sorceries with creatures being nice adjunct
Remove your opponents creatures and constantly bring a creature back from the graveyard each turn
Both Illusionary Forces and Illusionary Presence has cumulative upkeep, and so are most of the cards directly with 'illusion' in their name