Those tokens are exiled at the end of combat, but with a free sacrifice outlet you can generate even more value off these basically free creatures that youd lose at the end of combat, anyway
Echo of the Lost During your turn, you may play cards from your graveyard
SET MECHANICS Find your way through your adventure by using new and returning mechanics along the way
When this leaves the battlefield, that card returns to the battlefield.) Whenever a creature you control becomes blocked, it gets +0/+5 until end of turn
However, some players are already theorycrafting its potential in various archetypes, from white weenie to midrange token strategies
If you're a F2P player on Arena you can get 500 or 750 gold from your daily quest and a maximum of 750 gold per day for racking up 14 wins