Through the Breach [Champions of Kamigawa]

Through the Breach [Champions of Kamigawa]Set: Champions of Kamigawa Type: Instant Arcane Rarity: Rare Cost: {4}{R} You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice that creature at the beginning of the next end step. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Schwarzwald

More importantly

Goblin Rock Sled can't attack unless defending player controls a Mountain

Set: Hour of Devastation Type: Creature — Bird Warrior Rarity: Common Cost: {2}{W} Flying

"Pain is both a tool and a craft

Water calls to water

{T}: Other creatures you control gain trample and get +X/+X until end of turn

To explorers

but all feel bound to answer the call of the horn

Their home uprooted by a giant

{W}: Wall of Faith gets +0/+1 until end of turn

"You lot go on ahead