Righteous Valkyrie (Extended Art) [Kaldheim] Spirit Advisor Brazen Borrower can block only

Brazen Borrower can block only creatures with flying

then mill cards equal to the number of eon counters on it

From Razaketh

Set: Streets of New Capenna Type: Artifact Rarity: Mythic Cost: {2}{W} {W}

then sacrifice it unless you pay its upkeep cost for each age counter on it

Righteous Valkyrie (Extended Art) [Kaldheim] Spirit Advisor Brazen Borrower can block onlySet: Kaldheim Type: Creature Angel Cleric Rarity: Rare Cost: {2}{W} Flying Whenever another Angel or Cleric enters the battlefield under your control, you gain life equal to that creature's toughness. As long as you have at least 7 life more than your starting life total, creatures you control get +2 +2.