You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top.

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may create a 3/3 green Beast creature token.

You may pay rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may return target artifact card from your graveyard to the battlefield.

Add .

You can't cast permanent spells.

, : Add . When you cast your next spell this turn, exile cards from the top of your library until you exile an instant or sorcery card with lesser mana value. Until end of turn, you may cast that card without paying its mana cost. Put each other card exiled this way on the bottom of your library in a random order.

: Add .

, : Add .

Etched Monstrosity enters the battlefield with five -1/-1 counters on it.

, Remove five -1/-1 counters from Etched Monstrosity: Target player draws three cards.

: Fleshformer gets +2/+2 and gains fear until end of turn. Target creature gets -2/-2 until end of turn. Activate only during your turn. (A creature with fear can't be blocked except by artifact creatures and/or black creatures.)

When Golos, Tireless Pilgrim enters the battlefield, you may search your library for a land card, put that card onto the battlefield tapped, then shuffle.

: Exile the top three cards of your library. You may play them this turn without paying their mana costs.

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

: Add . This mana can't be spent to pay generic mana costs.

When Kaleidostone enters the battlefield, draw a card.

, , Sacrifice Kaleidostone: Add .

Changeling (This card is every creature type.)

As Morophon, the Boundless enters the battlefield, choose a creature type.

Spells of the chosen type you cast cost less to cast. This effect reduces only the amount of colored mana you pay.

Other creatures you control of the chosen type get +1/+1.

First strike

: Until end of turn, Paragon of the Amesha becomes an Angel, gets +3/+3, and gains flying and lifelink.

Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it.

Remove a crystal counter from Prism Array: Tap target creature.

: Scry 3.

Flying

You may cast Worldheart Phoenix from your graveyard by paying rather than paying its mana cost. If you do, it enters the battlefield with two +1/+1 counters on it.