Zirda, the Dawnwaker [Multiverse Legends] Archangel/X Antibody Isleback Spawn gets +4/+8 as

Isleback Spawn gets +4/+8 as long as a library has twenty or fewer cards in it

you may have Dancing Sword become a 2/1 Construct artifact creature with flying and ward {1}

Set: Core Set 2021 Type: Legendary Planeswalker — Ugin Rarity: Mythic Cost: {8} +2: Ugin

Set: The Lost Caverns of Ixalan Commander Type: Legendary Planeswalker Rarity: Mythic Cost: 2{W}{B} [+1:] Put a 1/1 black Vampire creature token with lifelink onto the battlefield

Zirda, the Dawnwaker [Multiverse Legends] Archangel/X Antibody Isleback Spawn gets +4/+8 asSet: Multiverse Legends Type: Legendary Creature Elemental Fox Rarity: Rare Cost: {1}{R W}{R W} Companion Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} any time you could cast a sorcery.) Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one