While you will need real, authentic Magic cards for tournament play, anything goes for kitchen table and casual play
Dreamdew Entrancer is a machine, especially if you want to bounce your creatures
There is a theoretical rejiggering of brackets where you could tell me this is acceptable, but I wouldn't expect it, and certainly not with the brackets as they are now
Zamriel, Seraph of Steel Zamriel, Seraph of Steel is a legendary angel that gives all your equipped creatures indestructible, including itself
Sure, it's ground-bound and only hits for two a turn, making it a 10-turn clock, but if your opponent tries to kill it, you can always bounce it back to your hand, spend four more mana to recast your 2/2 ground creature, and start chipping in for two again
It dedicates all its card slots towards this goal, and since Elves are one of the most popular and well-represented tribes in the history of Magic , the precon easily manages to fill all its slots with synergistic options