Junior Super Series

At the beginning of the end step, if you control no creatures, sacrifice this land. {T}: Add one mana of any color.

Serra Avatar's power and toughness are each equal to your life total. When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

White creatures get +1/+1.

{G}, {T}, Sacrifice this creature: Destroy target enchantment.

Whenever this land becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

Volcanic Hammer deals 3 damage to any target.

Target creature gets +3/+3 until end of turn.

Flying Menace (This creature can't be blocked except by two or more creatures.) This creature can block an additional creature each combat. {1}{R}: This creature gets +2/+0 until end of turn.

Haste Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

{T}: Destroy target tapped creature.

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying (This creature can't be blocked except by creatures with flying or reach.) Sacrifice this creature: It deals 2 damage to each creature without flying. {R}{R}{R}: Return this card from your graveyard to your hand. Activate only during your upkeep.

Protection from red Shadow (This creature can block or be blocked by only creatures with shadow.)

Protection from black At the beginning of each end step, if this creature dealt damage to an opponent this turn, put a +1/+1 counter on it.

Creatures you control get +1/+1.

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Other Goblin creatures you control get +1/+1. {T}: Regenerate another target Goblin.