Spooky20

{3}, {T}: Put a hatchling counter on Triassic Egg. Sacrifice Triassic Egg: Choose one — • You may put a creature card from your hand onto the battl...

Sword of the Ages enters the battlefield tapped. {T}, Sacrifice Sword of the Ages and any number of creatures you control: Sword of the Ages deals ...

{4}, {T}: Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison ...

As long as you control a Dovin planeswalker, this creature gets +2/+2 and has vigilance. (Attacking doesn't cause it to tap.)

{0}: Change Sentinel's base toughness to 1 plus the power of target creature blocking or blocked by Sentinel. (This effect lasts indefinitely.)

{3}, {T}: Counter target instant or Aura spell that targets a permanent you control.

{T}: Tap target artifact.

{2}, {T}: Put a charge counter on Red Mana Battery. {T}, Remove any number of charge counters from Red Mana Battery: Add {R}, then add an additiona...

Creature spells you cast cost up to {2} less to cast.

Affinity for Gates (This spell costs {1} less to cast for each Gate you control.) This creature can't be blocked by creatures with power 2 or less....

Multicolored creatures you control get +1/+1.

{3}, {T}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature of an opponent's choice...

{4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still...

{T}: Add {R} or {G}. {R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice this artifact: Draw two cards.

{T}, Sacrifice Mirror Universe: Exchange life totals with target opponent. Activate this ability only during your upkeep.

All Walls able to block Marble Priest do so. Prevent all combat damage that would be dealt to Marble Priest by Walls.

Instant and enchantment spells you cast cost up to {2} less to cast.

Defender {T}: Put target card from a graveyard on the bottom of its owner's library.

{4}, {T}: Put a matrix counter on target creature and that creature gains "Remove a matrix counter from this creature: Regenerate this creature." A...

Sacrifice a creature: You gain life equal to the sacrificed creature's toughness. Activate this ability only during your upkeep.

{2}, {T}: Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is i...

{2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled wit...

{T}: Add {W} or {B}. {W/B}{W/B}{W/B}{W/B}, {T}, Sacrifice this artifact: Draw two cards.

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