ebay blastoise pokemon card Base Set Blastoise Original Pokemon Card |

That resource could be a creature (usually the "enters the battlefield" effect would kill a creature), an extra card, or other card advantage (black-red loves mixing direct damage with discard)

Yazmin and Thirteen set this up nicely, one exiling cards and letting you playing them, and the other rewarding you with +1/+1 counters for doing so

It can always sacrifice itself as a one-shot proliferate effect too

Don't get me started on your myr, or other mana-producing artifact creatures

Once you refill your hand and can create a massive board, combining Mazirek, Kraul Death Priest with Stridehanger Automaton will create a massive board of fliers to close the game

It turns the graveyard itself into part of the summoning ritual, and thats something that emotionally resonates quite strongly with the source material.