Since some sacrifice outlets sacrifice artifacts in addition to or instead of creatures, you can use cards like Experimental Synthesizer and Treasure tokens for a similar effect
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He is inspired by the Japanese Lucky Cat figures which are believed to bring good fortune to anyone who owns them
While Wizards learned long ago that fast mana is problematic, it still likes to mess around with cost-reduction effects for some reason, which leads to 13/13, flying, trampling Mindslavers that cost only six mana
There are pictures in the original thread I can go on, but anything additional would really help
Stella Lee leads the Quick Draw deck, impulse drawing you cards when you cast your second spell of each turn