Artista: Mark Tedin

: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players’ coins come up heads on the same flip.

This spell costs more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Whenever Abomination blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Trample
Leviathan enters the battlefield tapped and doesn’t untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan.
Leviathan can’t attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)

, : Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)

Flying
Tetravus enters the battlefield with three +1/+1 counters on it.
At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and “This creature can’t be enchanted.”
At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus.

Nevinyrral’s Disk enters the battlefield tapped.
, : Destroy all artifacts, creatures, and enchantments.

: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

As long as Winter Orb is untapped, players can’t untap more than one land during their untap steps.

Trample
At the beginning of your upkeep, sacrifice Deep Spawn unless you mill two cards.
: Deep Spawn gains shroud until end of turn and doesn’t untap during your next untap step. Tap Deep Spawn. (A creature with shroud can’t be the target of spells or abilities.)

, Sacrifice Delif’s Cone: This turn, when target creature you control attacks and isn’t blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.

: Flip a coin. If you win the flip, target Orc creature gets +2/+0 until end of turn. If you lose the flip, it gets -0/-2 until end of turn.

Homarid enters the battlefield with a tide counter on it.
At the beginning of your upkeep, put a tide counter on Homarid.
As long as there is exactly one tide counter on Homarid, it gets -1/-1.
As long as there are exactly three tide counters on Homarid, it gets +1/+1.
Whenever there are four or more tide counters on Homarid, remove all tide counters from it.

Whenever Mindstab Thrull attacks and isn’t blocked, you may sacrifice it. If you do, defending player discards three cards.

, : This turn, when target creature you control attacks and isn’t blocked, it assigns no combat damage this turn and you put a cube counter on Delif’s Cube.
, Remove a cube counter from Delif’s Cube: Regenerate target creature.

At the beginning of your upkeep, put a spore counter on Thorn Thallid.
Remove three spore counters from Thorn Thallid: It deals 1 damage to any target.

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players’ coins come up heads on the same flip.

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

, Sacrifice Dark Sphere: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.

Enchant artifact
At the beginning of the upkeep of enchanted artifact’s controller, Curse Artifact deals 2 damage to that player unless they sacrifice that artifact.

As Psychic Allergy enters the battlefield, choose a color.
At the beginning of each opponent’s upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control.
At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.

: Brothers of Fire deals 1 damage to any target and 1 damage to you.

Trample
Leviathan enters the battlefield tapped and doesn’t untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan.
Leviathan can’t attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)