The main thing is to stick to the basic principles of creating a unique and brief ad, and you will be able to sell your cards quickly
If you dont want to look too hard for creatures that inherently have haste, this also isnt a problem, as you can simply give all of them haste with cards like Fervor, Concordant Crossroads, Rhythm of the Wild, or Fires of Yavimaya, making construction of a deck revolving around this card or Ogniss inclusion in a similarly aggressive deck quite manageable
Its incredibly efficient, even if your opponent gains some life
There is a wealth of creature types in MTG, and many of them have great support in both the lore and cards
Even without it, a 3000-power Character with a 1000 counter for 2 effective DON
This red, white, and black legendary Angel lets you take an Angel, Demon, or Dragon card from your hand and play it tapped and attacking when you have Kaalia attack an opponent