Broodmate Dragon is very good at these tasks, because you get not one but two independent good creatures capable of dominating many boards on their own
It makes a decent chunk of energy, but the payoffs underwhelming
Luck Bobblehead With Fallout s Luck Bobblehead, you have a mix between a 3-mana rock and an alternate win condition
If you have Innkeeper in play with her and Yawgmoth, as long as you have another creature to start the sacrifice chain, you will kill your opponents entire board and you will stay even on life thanks to Innkeeper
Only 64 of these cards exist, so theyre extremely rare and valuable
If it copies a creature, Spark Double enters with a +1/+1 counter on it, plus any counters that will be put on it from abilities it copied and other abilities of other objects