The trick with Transmutation Font is to have a diverse set of artifact tokens already in play, then activate it right away to retrieve your best artifact and put it in play
Equipped creature has "Whenever you gain life, this creature gets +X/+X until end of turn, where X is the amount of life you gained." Equip Equipped creature has "Whenever you gain life, this creature gets +X/+X until end of turn, where X is the amount of life you gained." Equip Artifact - Equipment Glamdring Equipped creature has first strike and gets +1/+0 for each instant and sorcery card in your graveyard
You are very happy to put one of these infront of a planeswalker while it can be painful to have to chump with a mana source
Tragic Slip would be my 3rd choice although I am not a massive fan of the card
Removing threats works for a while, but with three opponents, someones going to stick something, and games can either stall out or develop into arms races
1 Rare or Mythic Rare per pack