Whenever this Subroutine runs, creatures you control get +2/+0 until end of turn. Target creature you control gains first strike until end of turn.

When Gubernatorial Fundraiser enters, make a pledge.
Whenever you spend three or more colors of mana to cast a spell, create a Treasure token.

Flash
Flying
When this creature enters, exile target spell or nonland permanent. For as long as that card remains exiled, its owner may cast it by paying {3} rather than its mana cost.

Ward—Pay 2 life.
Whenever Zygos attacks, bless target legendary creature you control.

When Glassblower's Forge enters, draw a card.
{1}, {T}, Sacrifice Glassblower's Forge and another artifact or enchantment: Draw a card.

Flying, lifelink
When this creature leaves the battlefield, draw a card.

Supercharger enters with X charge counters on it.
{1}, {T}, Remove a charge counter from Supercharger: Put a +1/+1 counter on target creature. Activate only as a sorcery.

Tap all permanents.
Exile The World Stood Still.

Flash
When Omen of Storms enters, discard a card, then draw two cards.
{2}{R}, Sacrifice Omen of Storms: Scry 2.

Corrupt — When this creature enters, if you control a permanent with greater mana value, it deals 1 damage to any target.

This spell costs {2} less to cast if you attacked with a legendary creature this turn.
Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

King of Currents can't attack unless there are six or more cards in your graveyard.
Surface {4}{U}{U}

I — Exile up to one target permanent with mana value 4 or greater.
II — Create two 1/1 white Human creature tokens.
III — Each player gains control of all permanents they own. If you gained control of no permanents this way, draw a card.

Before equipped creature would assign, deal, or be dealt damage, sacrifice Figy Berry. If you do, equipped creature gets +2/+2 until end of turn.
Equip {1}
{7}, Sacrifice Figy Berry: Destroy target nonland permanent.

Creatures you control have “{T}: Create a Treasure token.”
{W}{U}{B}{R}{G}, Sacrifice Black-Tie Gala: Draw two cards.

Flying
Springsoarer enters with a +1/+1 counter on it if a creature you controlled dealt combat damage to a player this turn.
Wander {2}{U}

Whenever an enchantment you control enters, each opponent mills two cards.

Create a 1/1 red creature token with haste and a creature type of your choice and a 1/1 green creature token with trample and a creature type of your choice.

Exalted
When this creature enters, each player sacrifices a creature or planeswalker of their choice.

Create X 1/1 white Monkey creature tokens.

Flash
When Permafrost Tiger enters, you may have it fight target creature that entered this turn.

Integrate each nontoken creature you don't control with power 2 or less.

Until end of turn, target creature gains “When this creature dies, return it to the battlefield tapped under its owner's control and teach it flying.”

Whenever one or more creatures you control deal combat damage to an opponent, exile the top card of your library. Then you may create a 1/1 colorless Construct artifact creature token. If you don't, you may play the exiled card until end of turn.

Choose one —
• Counter target spell unless its controller pays {3}.
• You gain 3 life and draw a card.