Fathom Seer

Raid — When this creature enters, if you attacked this turn, this creature deals 2 damage to any target.

Whenever this creature attacks, you may pay R. If you do, target creature can't block this turn.

When this creature enters, create two 1/1 red Goblin creature tokens.

When this creature enters, it deals 1 damage to any target.

Counter target spell. Basic landcycling 1U (1U, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

(T: Add W.)

Flying When this creature deals combat damage to a player, create two 1/1 red Goblin creature tokens and sacrifice this creature. Unearth 3BR (3BR: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Whenever another creature you control enters, that creature gets +2/+0 and gains haste until end of turn. (It can attack and T this turn.)