Prince John Greediest of All plays an important role in drawing you more cards, further increasing the resources gap as you activate his effect
Its a great Pyroclasm, and the fact that it hits artifacts makes this card an excellent control piece across multiple formats including Standard, Pioneer, and Commander
Whenever this creature attacks, you win the game if there are twenty or more counters on it or you have twenty or more cards in hand
Learn more: Ed Greenwood, "Wyrms of the North: Claugiyliamatar" in Dragon Magazine 233 (September 1996) Dragons of Faern Sleeping Dragon's Wake (on D&D Beyond) Tiamat The five-headed progenitor of the chromatic dragons, Tiamat embodies the greed and vices of evil dragonkind
Early hosers were often negatively balanced, but more recent color hosers have often given buffs or cost reductions to your creatures if an opponent casts a spell of a certain color or has certain colors of permanents or type of basic lands
Plus, it also taps for mana too