Boxing Day

Whenever a spell you've cast is countered, draw a card.

Echo {G}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

Shroud (This creature can't be the target of spells or abilities.) Multani, Maro-Sorcerer's power and toughness are each equal to the total number...

When an opponent casts an instant spell, if Hidden Gibbons is an enchantment, Hidden Gibbons becomes a 4/4 Ape creature.

Echo {3}{G}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you p...

Put all enchantments on top of their owners' libraries.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two...

Whenever Gang of Elk becomes blocked, it gets +2/+2 until end of turn for each creature blocking it.

{1}{R}{R}: Put a +1/+1 counter on Molten Hydra. {T}, Remove all +1/+1 counters from Molten Hydra: It deals damage to any target equal to the number...

Lava Axe deals 5 damage to target player or planeswalker.

Echo {3}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

Flying, vigilance Radiant, Archangel gets +1/+1 for each other creature with flying on the battlefield.

You gain 3 life for each creature attacking you.

Destroy all artifacts and enchantments.

At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice Planar Collapse and destroy all creatures. They ...

Switch target creature's power and toughness until end of turn.

All creatures have vigilance. At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this t...

Flying, protection from artifacts

This creature enters with two +1/+1 counters on it. {X}, {T}: Remove all +1/+1 counters from this creature and put X +1/+1 counters on it.

{T}: Draw a card.

Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}."

Haste Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless yo...

Beast of Burden's power and toughness are each equal to the number of creatures on the battlefield.

You gain 3 life for each creature attacking you.