Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
You choose which creatures block this turn and how those creatures block.

Flying
Amity — Whenever you attack with Warden of Soul and exactly one other creature, search your library for a legendary or Dragon card, reveal it, put it into your hand, then shuffle.

Flying
Amity — Whenever you attack with Dustwing Butterfly and exactly one other creature, create a tapped and attacking token that's a copy of target creature you control, except it's 1/1 and isn't legendary. Sacrifice that token at the beginning of the next end step.

At the beginning of combat on your turn, you may tap target nonland permanent. If you control three or more Shrines, put a stun counter on it.

{2}{G}, {T}: Mill two cards, then create a tapped 1/1 white Citizen creature token.
{6}{G}{G}, {T}: Mill two cards, then create a tapped X/X colorless Construct artifact creature token, where X is the number of creature and/or enchantment cards in your graveyard.

When Sparks of a Revolution enters, create a 1/1 colorless Soldier creature token. It gains haste until end of turn.
Three or more sources you controlled dealt damage this turn.
A source you controlled dealt 3 or more damage this turn.

When this creature dies, it deals 2 damage to each opponent and you gain 2 life.
{6}{B}, Exile this card from your graveyard: It deals 3 damage to each opponent and you gain 3 life.

{T}: Add {C}.
Spellcharge 4

Target creature gets +2/+2 until end of turn and must be blocked this turn if able. Untap up to one target creature. It blocks this turn if able.
Surface {4}{G}

Flying
When Warden of Wishes enters, put three wish counters on it, then you gain 7 life.
Whenever you lose life, you may remove a wish counter from Warden of Wishes. If you do, put a card you own from outside the game into your hand.

Target creature gains flying until end of turn. Draw a card.

Enchant land
Enchanted land is a 4/4 Dryad creature with reach, vigilance, and haste. It's still a land.
When enchanted land dies, return it to its owner's hand.

Vigilance
{1}, {T}: Tap target creature.

Time loop
I — Create a tapped Treasure token.
II — You may discard a card. If you do, exile the top two cards of your library. You may play one of those cards this turn.
III — This Saga deals 2 damage to each opponent.

Whenever this Subroutine runs, discard up to three cards, then draw that many cards.

Corrupt — All creatures get -2/-2 until end of turn. If you control a permanent with greater mana value than this spell, instead creatures your opponents control get -2/-2 until end of turn.

Mill a card. Put a +1/+1 counter on up to one target creature. Exile up to one target card from a graveyard. You gain 1 life.
Flashback {1}{G}

Create a tapped 2/1 red Human Warrior creature token.
Flashback {2}{R}

Menace
When this creature enters, if a creature you controlled attacked alone this turn, you draw a card and you lose 1 life.

Choose one. If this spell's flashback cost was paid, instead choose three and you may choose the same mode more than once.
• Draw a card, then you may put a permanent card from your hand onto the battlefield.
• You gain 1 life for each permanent you control.
• Destroy target nonbasic, noncreature permanent.
Flashback {7}{G}{G}

This land enters tapped.
Level up {R}{R}{R}
[level 1-2] Menace
This land is also a creature.
[level 3+] Menace
This land is also a creature.

When Plasma Elite enters, create two Weapon tokens, then attach them to Plasma Elite.

When this enchantment enters, create two 1/1 white Citizen creature tokens.
Whenever you attack, target attacking creature gets +X/+0 until end of turn, where X is the number of creatures you control that aren't attacking.

When this creature transforms into Splintered Soul, create X 3/1 colorless Cyborg Soldier artifact creature tokens.
Whenever Splintered Soul or another Cyborg you control dies, you gain 1 life.

When this land enters, sacrifice it. If you do, search your library for a basic Island or Mountain card, put it onto the battlefield tapped, then shuffle.
{2}{U}{U}{R}{R}, Discard this card: It deals 3 damage to any target. Draw two cards, then discard a card.