Considering that the Grookey and Thwackey cards from Twilight Masquerade are decently sturdy and have their own perks, its easy to set-up and get Rillaboom in play quickly
Cards that score high across all three, like a PSA 10 First Edition Shadowless Charizard, represent the top of the market
The effect also repeats when it dies, and getting two waves of +1/+1 counters on your creatures is very solid
9 Grave of the Super Ancient Organism Is a Great Way to Lock Out OP Monsters Stop Boss Monsters In their Tracks Grave of the Super Ancient Organism is a powerful floodgate card that effectively neutralizes high-level monsters, making it an excellent choice against decks reliant on summoning Level 6 or higher monsters
Their required materials are less specific than Fusion Monsters, but their combined Levels must equal a Synchro Monster's Level
However, you can find it much cheaper