Mikaeus, the Lunarch enters with X +1/+1 counters on it.: Put a +1/+1 counter on Mikaeus., Remove a +1/+1 counter from Mikaeus: Put a +1/+1 counter on each other creature you control.
TrampleWhenever Grim Flayer deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)Delirium — Grim Flayer gets +2/+2 as long as there are four or more card types among cards in your graveyard.
Other red creatures you control get +1/+1.Other white creatures you control get +1/+1.Whenever you cast a red spell, Balefire Liege deals 3 damage to target player or planeswalker.Whenever you cast a white spell, you gain 3 life.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess.
When you cast this spell, you gain half X life and draw half X cards. Round down each time.Flying, trampleHydroid Krasis enters with X +1/+1 counters on it.
Whenever a creature you control with power 2 or less enters, you get an experience counter.At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.
Reveal the cards in your library. An opponent chooses from among them a creature card, a land card, and a noncreature, nonland card. You put the chosen cards into your hand. Then shuffle.
Whenever a creature enters, if it entered from your graveyard or you cast it from your graveyard, return Prized Amalgam from your graveyard to the battlefield tapped at the beginning of the next end step.
Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures.Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.