Whenever this Subroutine runs, you may pay {X} and sacrifice it. If you do, draw a card, then add X mana in any combination of colors.

Put a +1/+1 counter on target creature. It gets +0/+2 until end of turn.

{R}, Sacrifice Magma Flow: It deals 3 damage to any target. Activate only as a sorcery.
{1}{R}, Discard a card, Sacrifice Magma Flow: Draw two cards.

Amity — Whenever you attack with Magma Grunt and exactly one other creature, Magma Grunt deals 1 damage to each opponent.

Target permanent gains hexproof until end of turn. If it's a creature, it also gets +1/+1 until end of turn.

Until end of turn, target creature gets +2/+2 and gains trample and “Whenever this creature deals combat damage to a player, return target permanent card with mana value less than or equal to the damage dealt from your graveyard to your hand.”

{6}: Put two +1/+1 counters on target creature you control. Activate only as a sorcery and only if your devotion to white is three or more.

As an additional cost to cast this spell, sacrifice a creature.
Exile the top X cards of your library, where X is the sacrificed creature's power. Until the end of your next turn, you may play those cards.

When Mellan, Defense Attorney enters, make a pledge.
{T}: Choose a color from among other permanents you control. Another target creature you control gains hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn.

Cast this spell only during your turn.
Target creature gets +2/+0 and gains haste until end of turn. If it's attacking, instead it gets +2/+0 and gains trample until end of turn.
Flashback {1}{R}

Target creature you control deals damage equal to its power to target creature or planeswalker an opponent controls.

Create X 1/1 white Monkey creature tokens.

Target creature gains first strike and gets +X/+0 until end of turn, where X is your devotion to red.

When this artifact enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.
{1}, Sacrifice this artifact: Draw a card.
{3}, Sacrifice this artifact: Exile each opponent's graveyard. Draw a card.

When Mystery Egg enters, search your library for a card and exile it face down, then shuffle your library. You may look at that card as long as it remains exiled.
{G}, {T}, Sacrifice Mystery Egg: Turn the exiled card face up. You may cast that card this turn if it's a creature spell, and you may cast that spell as though it had flash.

Pay 1 life: This creature gets +1/+0 until end of turn. Activate only once each turn and only as a sorcery.
When this creature dies, if its power was 2 or greater, create a Treasure token.

Whenever another creature you control enters, Nomad's Companion gets +1/+1 until end of turn.

Enchant creature
Enchanted creature has “Whenever this creature deals combat damage to a player or planeswalker, scry 1, then draw a card.”

Whenever this creature becomes tapped, exile up to one target card from an opponent's graveyard.
{3}{W}, {T}: Create a 1/1 white Monk creature token with vigilance.

Level up {1}{R}
[level 1-2] Whenever this creature deals combat damage to a player, target Subroutine you control runs.
[level 3+] Whenever this creature deals combat damage to a player, target Subroutine you control runs twice.

Whenever you cast a multicolored spell, this creature deals 1 damage to each opponent and you gain 1 life.
When this creature dies, create a Treasure token.

When Opal-Eye Caretaker enters, put a +1/+1 counter on each creature you control that entered this turn and wasn't cast from your hand.
Wander {1}{W}

Whenever another creature you control enters, if that creature's power is greater than this creature's power, you may put a +1/+1 counter on this creature.
{2}{G}: Move any number of +1/+1 counters from this creature to another target creature you control. Activate only as a sorcery.

Draw a card.
Corrupt — If you control a permanent with greater mana value than this spell, surveil 2.

This spell costs {1} less to cast for each tapped creature you control.
Counter target spell unless its controller pays {X}.