Urza's Saga [Modern Horizons 2] Dark when a monster effect is

when a monster effect is activated on your opponent's side of the field: You can detach 1 Xyz Material from this card

Reverse Type: Legendary Enchantment — God // Legendary Enchantment At the beginning of your upkeep

{T}: Put a mire counter on target non-Swamp land

and if your do Summon it this way

Set: Kaldheim Prerelease Promos Type: Legendary Creature — Squirrel Rarity: Rare Cost: {3}{G} This spell can't be countered

Urza's Saga [Modern Horizons 2] Dark when a monster effect isSet: Modern Horizons 2 Type: Enchantment Land Urza's Saga Rarity: Rare (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I Urza's Saga gains "{T}: Add {C}." II Urza's Saga gains "{2}, {T}: Create a 0 0 colorless Construct artifact creature token with 'This creature gets +1 +1 for each artifact you control.'" III Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then