Their art will be removed from Wizardss official card index site Gatherer and replaced with the following statement: We have removed this card image from our database due to its racist depiction, text, or combination thereof
The triggered ability is quite powerful even if it happens far less often than landfall
With that in mind, it helps to include as many haste granters as possible like Goblin Chieftain and Goblin Warchief
Yes, you can pay 3 mana to stick a counter back onto Iceberg before you untap, and sure, you can do cute things to reduce costs or repopulate your ice counters with Rimefeather Owl, Zirda, the Dawnwaker, and proliferate triggers
This is very relevant because you need characters in order to win the game the most common way to win is through accruing 20 lore
Rarity is also a factor, especially when certain cards go out of print