Ajani, Strength of the Pride - Core Set 2020 (M20)[+1]: You gain life equal to the number of creatures you control plus the number of planeswalkers you control. [2]: Create a 2 2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1 +1 counter on Ajani's Pridemate." [0]: If you have at least 15 life more than your starting life total, exile Ajani, Strength of the Pride and each artifact and creature your opponents control.

Lurker of the Loch enters the battlefield

Then exile it

Its controller creates a 3/3 green Beast creature token

smiths are pricey

Sacrifice a creature: Add {B}{B}

mage-analyst

you may return Bloodghast from your graveyard to the battlefield

Azorius emissary

rounded up

put it onto the battlefield tapped and attacking defending player or a planeswalker they control

Plague Zombie

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it