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}

Menace
Corrupt — When this creature enters, if you control a permanent with greater mana value, exile the top card of your library. You may play it on any turn a creature you control dealt damage to a player.

{T}, Sacrifice Redeveloped Cityscape: Search your library for a basic land card and put it onto the battlefield tapped. Then you may exile a land card from your hand. If you do, search your library for a basic land card, reveal it, and put it into your hand. Then shuffle.

Reduce to Ore deals 5 damage to target creature. If a Ruin dealt damage this way would die this turn, instead exile it and you create two Treasure tokens.

Flying
When this creature enters, exile up to one other target creature or Subroutine. Return that card to the battlefield under its owner's control at the beginning of the next end step. If a creature enters under an opponent's control this way, it enters tapped with a stun counter on it.

Flying
Equipped creature gets +2/+0.
Equip {2}
Spellcharge 2

When this land enters, sacrifice it. If you do, search your library for a basic Forest or Island card, put it onto the battlefield tapped, then shuffle.
{1}{G}{G}{U}{U}, Discard this card: Create two tapped tokens that are copies of target land.

When this land enters, sacrifice it. If you do, search your library for a basic Forest or Plains card, put it onto the battlefield tapped, then shuffle.
{1}{G}{G}{W}{W}, Discard this card: Create three tapped 1/1 white Citizen creature tokens.

At the beginning of your end step, you gain 2 life if you cast a spell from your graveyard this turn, then you gain 2 life if a card was put into your graveyard from your library this turn.
Surface {4}{G}{G}

You gain X life, then look at the top X cards of your library, where X is the greatest mana value among permanents you control. Reveal up to two creature, enchantment, and/or land cards from among them and put them into your hand. Put the rest on the bottom in a random order.

Flying
Surface {2}{B}{B}. This spell costs {1}{B}{B} less if you control a creature named Relentless Bats.
A deck can have any number of cards named Relentless Bats.

Other creatures you control get +1/+1 and have vigilance.
Spellcharge 5

When Remnant of Zakros enters, choose one —
• Each player sacrifices a creature.
• Each player sacrifices an enchantment.

Whenever this creature attacks or blocks, it gets +X/+X until end of turn, where X is the greatest mana value among other permanents you control.

When Renowned Roughrider enters or leaves the battlefield, create a 1/1 white Human creature token. Then if you control four or more creatures, put a +1/+1 counter on a creature you control.
Wander {4}{W}{W}

Replicated Regiment enters with a +1/+1 counter and a vigilance counter on it.
At the beginning of your upkeep, you may move a counter from Replicated Regiment onto another creature.

Reach
Replicrawler gets +1/+1 for each other artifact creature you control.
If you would create a token, you may pay {B}. If you do, create a token that's a copy of Replicrawler instead.

Target creature you control gets +1/+0 and gains haste until end of turn.
Draw a card.

Creatures you control get +2/+0 until end of turn.
If a nontoken creature you control would die this turn, cache it instead.

Counter target spell with mana value X. If that spell is targeting you or a creature you control, you may choose new targets for it instead.

Fabric — When this creature enters, target creature gets +X/+X until end of turn, where X is the number of enchantments you control.

Target opponent discards their hand, then draws seven cards. You discard your hand, then exile the top seven cards of that player's library. You may play those cards as long as they remain exiled, and mana of any type can be spent to cast them.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If you control another permanent you don't own, it gets +2/+0 until end of turn.

Flying
Exalted

You may cast permanent spells as though they had flash.
During your second main phase, pay {Q} rather than {T} to activate abilities.