The anime grants all Number monsters an extra layer of protection through the fact Number monsters can only be destroyed by another Number monster
Take this build of Omni-Tell, for example: If you're not familiar with Omni-Tell, the main goal of the deck is to use Show and Tell to put an Omniscience on the battlefield, cast an Enter the Infinite for free to draw your entire deck, and then play all of your stuff (including an Emrakul, the Aeons Torn) for free
A special texture was used on top of it to give it some special effects
The second time youre tempted, your Ring-bearer allows you to draw and then discard a card whenever it attacks
Spell Queller also plays nicely with Reflector Mage, allowing us to bounce a creature that cant be recast for a turn and then get the creature on the way back down the following turn
It can go higher than seven if you play it right, and at three mana, thats plenty of mana leftover to enact your wild plans