THE MANA ENGINE I really enjoy playing decks with expensive CMC Commanders because it always provides an awesome payoff for having a great mana engine at the end of the rainbow and Tiamat is an excellent example of this strategy incarnate
It is still slow, especially so when at all disrupted, but if offers double defense with the combination of lifelink and vigilance
Iceberg was an interesting card, in that it was very much an enchantment that was similar to Sand Silos from Fallen Empires, only you could put more Mana back on it faster
The only drawback is their high Equip cost, but we have a way around that
Maybe Impact Tremors and Shared Animosity can help this card out?Read more Joe Dyer dives into the Lost Caverns of Ixalan for Legacy!Read more What happens if you go all-in on making the most absurd amount of power ever with the help of Gruff Triplets and Doubling Season
All told, the general strategy is pretty straightforward: ramp up a variety of mana, fill your board with warriors, keep attacking to generate more warriors, and eventually trigger the ability mid-combat