Letting you reuse Treasure or tap trinkets like Food and Clues for mana is absurd, especially given how free those tokens seem to be these days
The best MTG Slivers are: Sliver Gravemother Capricious Sliver Sliver Queen Lazotep Sliver Sliver Overlord Cloudshredder Sliver Manaweft Sliver Dormant Sliver Harmonic Sliver Crystalline Sliver Necrotic Sliver Spiteful Sliver Sliver Hivelord Hatchery Sliver Sliver Legion The First Sliver Sliver Gravemother The latest five-color MTG sliver on the scene, Sliver Gravemother has some truly intriguing abilities
In short, he becomes a draw engine, he fills our graveyard (which is great for our Esper Zombie Tribal), and by attacking on its own he buffs our Zombies with +2/+2 (normal card draw on upkeep + his card draw on attack trigger)
It is just a normal legendary creature which allows you to dig the top 5 cards of your deck for a potentially free big boy
1Brokers Hideout
As part of the legendary Power Nine, this zero-mana artifact provides free red mana, giving aggressive decks an explosive edge right from the start