A 2/2 flyer is negligible in the grand scheme of things, and holding up a single mana for interaction is incredibly easy to do
So here we are, borderless cards from the gloriously beared artist of the Head Lopper series
(They enter the battlefield with an additional +1/+1 counter on them
Black-Red features the set's other new mechanic, Mayhem, which lets you play cards for cheap from your graveyard if you discarded them on the same turn
Note that both Dark Depths and Marit Lage's Slumber give you a legendary token with the Marit Lage name, so you cant have both tokens on the field without outside help
To have a permanent connive N, the permanents controller draws N cards, discards N cards, then puts a number of +1/+1 counters on the permanent equal to the number of nonland cards discarded this way