It is possible to summon Eldlich the Golden Lord using solely its own effects, provided there is another card on the field, by doing the following: Activate Eldlichs effect to send itself and one spell/trap card from your hand to the graveyard to send that card from the field to the graveyard
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I'd recommend starting there and working your way through the list of tokens for each set
The only trick is that you have to spell the message out one letter at a time
If you have a card that says all your goblins get a bonus, and the card in question says it's a goblin on the type line , you know you're good to go
Doc Aurlock, Grizzled Genius The cards you exile with Lara Croft, Tomb Raider still have to be cast with their proper mana cost