Defender

Whenever Shield Sphere blocks, put a -0/-1 counter on it.

, Sacrifice a black or artifact creature: Add an amount of equal to the sacrificed creature's mana value.

If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard.

: Add .

, : Scry 1.

, Sacrifice two lands: Draw three cards, then discard one of them.

Whenever Soldevi Steam Beast becomes tapped, target opponent gains 2 life.

: Regenerate Soldevi Steam Beast.

: Regenerate Spiny Starfish.

At the beginning of each end step, if Spiny Starfish regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.

Nonartifact creatures get -1/-1 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Storm Shaman gets +1/+0 until end of turn.

Cast this spell only if you were dealt damage this turn by a red instant or sorcery spell.

Suffocation deals 4 damage to the controller of the last red instant or sorcery spell that dealt damage to you this turn.

Draw a card at the beginning of the next turn's upkeep.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Damage that would reduce your life total to less than 1 reduces it to 1 instead.

: Sworn Defender's power becomes the toughness of target creature blocking or being blocked by Sworn Defender minus 1 until end of turn, and Sworn Defender's toughness becomes 1 plus the power of that creature until end of turn.

Thawing Glaciers enters the battlefield tapped.

, : Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Pay 2 life or : Counter target red or green spell. Any player may activate this ability.

As an additional cost to cast this spell, you may pay .

Prevent all combat damage that would be dealt this turn. If this spell's additional cost was paid, this effect doesn't affect combat damage that would be dealt by red creatures.

Trample

: Urza's Engine 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 you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

: Attacking creatures banded with Urza's Engine gain trample until end of turn.

Cumulative upkeep—Have an opponent create a 1/1 red Survivor creature token. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Trample; rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

Enchant creature

Enchanted creature gets +1/+1.

: Return Viscerid Armor to its owner's hand.

, Pay 1 life: Prevent the next 2 damage that would be dealt to target creature this turn.

: Prevent the next 1 damage that would be dealt to target Cleric or Wizard creature this turn.

, Put a -1/-1 counter on a creature you control: Prevent the next 2 damage that would be dealt to target player or planeswalker this turn.

, Exile the top two cards of your library: Whirling Catapult deals 1 damage to each creature with flying and each player.

Whenever a player taps a snow land for mana, that player adds one mana of any type that land produced. That land doesn't untap during its controller's next untap step.

Trample, haste

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)