Sacrifice "Quite Possibly, the Goodest Boy": Another target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Whenever you crank Accessories to Murder, target creature gets +X/+0 until end of turn, where X is the number of creatures you control.

Aeon Engine enters the battlefield tapped.
, Exile Aeon Engine: Reverse the game's turn order. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)

Whenever a creature you control attacks, it gets +2/+0 until end of turn and Anthem of Rakdos deals 1 damage to you.
Hellbent — As long as you have no cards in hand, if a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

As Arsenal Thresher enters the battlefield, you may reveal any number of other artifact cards from your hand. Arsenal Thresher enters the battlefield with a +1/+1 counter on it for each card revealed this way.

Other red creatures you control get +1/+1.
Other white creatures you control get +1/+1.
Whenever you cast a red spell, Balefire Liege deals 3 damage to target player or planeswalker.
Whenever you cast a white spell, you gain 3 life.

Kithkin spells and Soldier spells you cast cost less to cast.

Target creature gets -3/-0 until end of turn.
Draw a card.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)
Each other creature you control enters the battlefield with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on Bloodspore Thrinax.

Return target Goblin card from your graveyard to your hand.

Boseiju, Who Shelters All enters the battlefield tapped.
, Pay 2 life: Add . If that mana is spent on an instant or sorcery spell, that spell can't be countered.

Treefolk spells and Shaman spells you cast cost less to cast.

Boulderfall deals 5 damage divided as you choose among any number of targets.

Elemental spells and Warrior spells you cast cost less to cast.
Reinforce 1— (, Discard this card: Put a +1/+1 counter on target creature.)

When you play another land, sacrifice City of Traitors.
: Add .

Enchant red or green creature
Enchanted creature doesn't untap during its controller's untap step.

Trample
: Until end of turn, target creature you control has base power and toughness 5/5 and gains trample.

You may play lands from your graveyard.

Target opponent sacrifices a creature, discards three cards, then loses 5 life. You return a creature card from your graveyard to your hand, draw three cards, then gain 5 life.

Whenever you crank Deadly Poison Sampler, until end of turn, target creature gains "Whenever this creature deals combat damage to a player, destroy target creature that player controls."