If this causes the total toughness of creatures you control to change (perhaps because you control a creature whose toughness is determined by the number of cards in your hand), that new toughness will be used to determine the cost reduction
Key elements include: Card Draw and Advantage Maintaining access to cards is essential in Commander
Even if this is the case, you'll need two more turns to get your abilities online
There were two cycles of Auras with this line of text, as a matter of fact, but most of them are not worth it
Evendo, Waking Haven The last land on here, we promise, Evendo, Waking Haven is analogous to Uthros (above), except it taps for green mana for each creature you control
Celes, Rune Knight: The backup commander puts an aggressive, go-wide slant on a reanimator strategy, but it also pays you off for certain infinite recursion loops