At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.

Flying, deathtouch, lifelink

Kicker (You may pay an additional as you cast this spell.)
Target creature gets +3/+0 until end of turn. If this spell was kicked, that creature gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle your library.

Kicker (You may pay an additional as you cast this spell.)
Target creature can't be the target of spells or abilities your opponents control this turn. If this spell was kicked, that creature gets +4/+4 until end of turn.

Double strike
Whenever Warren Instigator deals damage to an opponent, you may put a Goblin creature card from your hand onto the battlefield.

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

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.
Return two target creatures to their owners' hands.

Two target creatures you control each get +2/+2 and gain flying until end of turn.

Flying
Landfall — Whenever a land enters the battlefield under your control, Windrider Eel gets +2/+2 until end of turn.

At the beginning of your upkeep, you may choose a card type. If you do, each player sacrifices a permanent of that type.

Landfall — Whenever a land enters the battlefield under your control, you may put a quest counter on Zektar Shrine Expedition.
Remove three quest counters from Zektar Shrine Expedition and sacrifice it: Create a 7/1 red Elemental creature token with trample and haste. Exile it at the beginning of the next end step.

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