4: Creatures you control get +3/+3 and gain trample until end of turn
Dual lands are still great because they can produce two mana colors, and if your deck only runs two or three colors, then chances are itll be able to cast most of the cards in your hand
Effects that nab only one card arent really what youre looking for in terms of card draw, unless they have other uses, and anything that draws one card for 4 or more mana is too weak for this list, with rare exceptions
Besides flashback and Call of the Herd, the other aspect I wanted to explore more deeply in this deck was Sylvan Library
That creature doesnt untap during its controllers next untap step
With each lands unique weather and terrain, the set creates a panorama that moves from dry heat to pleasant cool waters, from sticky wetness up a dangerous climb, then down through mysterious trees