The Immortal Sun (Promo Pack) [Rivals of Ixalan Promos] 229 therefore you aren't

therefore you aren't

if that spell's mana cost is {3}{U}{U}

Threshold — Nim Mongoose gets +1/+0 for each artifact you control as long as seven or more cards are in your graveyard

Set: Double Masters 2022 Type: Artifact — Equipment Rarity: Rare Cost: {2} Equipped creature gets +2/+2

The Immortal Sun (Promo Pack) [Rivals of Ixalan Promos] 229 therefore you aren'tSet: Rivals of Ixalan Promos Type: Legendary Artifact Rarity: Mythic Cost: {6} Players can't activate planeswalkers' loyalty abilities. At the beginning of your draw step, draw an additional card. Spells you cast cost {1} less to cast. Creatures you control get +1 +1.