MTG

Return target permanent to its owner's hand.

Destroy all Islands.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

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

{T}, Sacrifice a creature: This creature deals damage equal to the sacrificed creature's power to any target.

Flying {T}: This creature deals 1 damage to any target.

{T}: Prevent the next 4 damage that would be dealt to any target this turn.

Maro's power and toughness are each equal to the number of cards in your hand.

This artifact enters tapped. {T}: Add {W}.

Tap all lands target player controls and that player loses all unspent mana.

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 player...

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

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

Enchant creature All creatures able to block enchanted creature do so.

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

{B}: This creature gets +1/+1 until end of turn.

First strike; reach (This creature can block creatures with flying.)

You may have this creature assign its combat damage as though it weren't blocked.

{T}: Add {G}.

Haste (This creature can attack and {T} as soon as it comes under your control.)

Lightning Blast deals 4 damage to any target.

Creatures you control have flying.

Enchant creature Enchanted creature has swampwalk. (It can't be blocked as long as defending player controls a Swamp.)

Lava Axe deals 5 damage to target player or planeswalker.