Omnath, Locus of Mana [Worldwake] Urza's Destiny Promos If it's a land card

If it's a land card or a creature card with mana value less than or equal to the number of loyalty counters on Nissa

Set: Mirage Type: Creature — Efreet Rarity: Rare Cost: {1}{U}{R} Flying

Set: Urza's Legacy Type: Artifact Rarity: Rare Cost: {2} Each spell costs {3} more to cast except during its controller's turn

"'O miserable of happy

Omnath, Locus of Mana [Worldwake] Urza's Destiny Promos If it's a land cardSet: Worldwake Type: Legendary Creature Elemental Rarity: Mythic Cost: {2}{G} You don't lose unspent green mana as steps and phases end. Omnath, Locus of Mana gets +1 +1 for each unspent green mana you have. It gathers against the coming storm.