Flash creatures either function as one-for-one removal spells (Hired Blade), as two-for-one removal spells (Sentinels of Glen Elendra is better at surviving combat than Ashcoat Bear), and as flexible curve-fillers (Cloaked Siren lets you hold up interaction and have a threat if you dont need to use it)
(To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.) You don't choose a target for Sample Collector's ability at the time it triggers
It's also full of real, live, (friendly!) humans
If a spell with rebound that you cast from your hand doesn't resolve for any reason, including being countered, the spell will be put into its owner's graveyard and you won't get to cast it again on your next turn
Numeron Network One of the most important cards to the Numeron deck is the field spell Numeron Network
R Rare Desmanian Devil X EARTH Level 4 [ BeastEffect ] ATK 1700 DEF 1400 When this card destroys an opponent's monster by battle: You can add 1 Level 4 or lower Beast monster from your Deck to your hand