The risk is that early prices can be emotionally inflated before enough supply reaches the market
If youre able to leave 6 Mana available, spending 4 for a blocker, and 2 to draw a cards from the subsequent life gain is a good way to stall the game as you dig into your deck for answers
On one side, it helps go-wide decks by handing out +1/+1 counters to creatures that entered that turn, while the flip side, Embrose, Dean of Shadow, offers a more control-oriented engine that buffs your creatures, damages them, and draws cards when they die
This means that they can then only tap for Red mana - and if your opponent doesnt even have Red in their deck, it could well win you the game on the spot
They've anchored control decks and powered combo strategies since the creature type debuted
The fate of the Slug is irrelevant