It is a staple in any burn deck in Modern A one-mana, 1/2 with haste and prowess is a powerful creature especially when combined with other cheap spells Monastery Swiftspear is difficult to deal with since it can become huge anytime
Other cards that interact with putting counters on it will interact with this effect accordingly
We even ran it using modified cube ante rules however it was obviously still far far far too powerful and no fun to play against
Besides, you stay proactive with an extra impulsive draw each turn as the red aggressive player
Aclazotz, Deepest Betrayal The base stats are pretty solid and hard to deal with for decks with aggro ground games
// Ashling, Rimebound Legendary Creature Elemental Wizard 1/3 Whenever this creature transforms into Ashling, Rimebound and at the beginning of your first main phase, add two mana of any one color